Sotaro Masanobu

Profile Information

Affiliation: Senior Director for Research, National Maritime Research Institute, Japan, National Institute of Maritime, Port and Aviation Technology, Japan

Degree: Dr. Eng.(The University of Tokyo)

J-GLOBAL ID: 201801001212434846
researchmap Member ID: B000299789

Research Interests

Research Areas

Aerospace, marine, and maritime Engineering / Marine and maritime engineering /

Research History

Apr, 2023 - Present

Director, Offshore Advanced Technology Department, National Maritime Research Institute
Apr, 2023 - Present

Senior Director for Research, National Maritime Research Institute
Apr, 2021 - Present

Visiting Associate Professor, Tokyo University of Marine Science and Technology
Apr, 2020 - Jul, 2020

Part-time Lecturer, Graduate School of Frontier Sciences, The University of Tokyo
Apr, 2019 - Aug, 2019

Part-time Lecturer, Graduate School of Frontier Sciences, The University of Tokyo
Jul, 2019 - Jul, 2019

Special Lecturer, The Graduate School of Engineering, The University of Tokyo
Apr, 2017

Director, Ocean Engineering Department, National Maritime Research Institute
Apr, 2011

Head, Ocean Engineering Department, Deep Sea Technology Research Group, National Maritime Research Institute
Aug, 2009 - Mar, 2011

Manager for Research Coordination (Concurrent post), Planning Department, National Maritime Research Institute
Aug, 2009

Head, Ocean Engineering Department, Ocean Resources Development Research Group, National Maritime Research Institute
Apr, 2009

Head, Ocean Engineering Department, Ocean Resources Development Technology Research Group, National Maritime Research Institute
Apr, 2008

Senior Researcher, Ocean Engineering Department, Ocean Resources Development Technology Research Group, National Maritime Research Institute
Apr, 2006 - Mar, 2008

Engineer, Technology Research and Development Department, Japan Oil, Gas and Metals National Corporation
Apr, 2005 - Mar, 2006

Senior Specialist (Concurrent post), Policy Bureau, Technology and Safety Division, Ministry of Land, Infrastructure, Transport and Tourism
Apr, 2003

Researcher, Ocean Engineering Department, National Maritime Research Institute
Apr, 2001 - Mar, 2003

Part-time Researcher, Ocean Engineering Department, National Maritime Research Institute
Mar, 2000 - Mar, 2001

Engineer, Corporation for Advanced Transport and Technology

Education

Apr, 1997 - Apr, 2001

Department of Naval Architects and Ocean Engineering, doctoral course, Graduate School of Engineering, The University of Tokyo
Apr, 1995 - Mar, 1997

Department of Naval Architects and Ocean Engineering, Master's course, Graduate School of Engineering, The University of Tokyo
Apr, 1989 - Mar, 1995

The Faculty of Engineering, The University of Tokyo

Committee Memberships

Feb, 2018 - Present

Topic Organizer of Deepsea Mining and Ocean Resources (Ocean Space Utilization Session) for OMAE Conference, The American Society of Mechanical Engineers (ASME)
Dec, 2021 - Mar, 2026

二酸化炭素船舶輸送分科会委員, 環境省
Sep, 2023 - Mar, 2025

採鉱・揚鉱ワーキンググループ委員, （独）エネルギー・金属鉱物資源機構
Apr, 2023 - Mar, 2025

海洋安全保障プラットフォーム推進委員会構成員, 内閣府
Jan, 2022 - Mar, 2025

NEDO技術委員, （国研）新エネルギー・産業技術総合開発機構
Apr, 2021 - Mar, 2025

論文審査委員会審査委員, 日本船舶海洋工学会
Apr, 2023 - Jul, 2024

OMAE2026東京招致委員会メンバー
May, 2023 - Mar, 2024

再生可能エネルギー事業専門部会委員, （独）エネルギー・金属鉱物資源機構
Apr, 2022 - Mar, 2024

日本－ノルウェー連携R&Dプロジェクト第三者委員会委員, 日本財団
Jan, 2022 - Mar, 2024

日本－スコットランド合同第三者委員会委員, 日本財団
Apr, 2021 - Sep, 2023

フロンティア人工物企画小委員会委員, 日本学術会議
Aug, 2021 - Mar, 2023

甲板機械及びぎ装分科会／アンカーWG 主査, 日本船舶技術研究協会
Jul, 2021 - Mar, 2023

オフショアテクノロジー評価会委員, 国土交通省
Apr, 2021 - Mar, 2023

科学掘削安全検討部会委員, （国研）海洋研究開発機構
Apr, 2017 - Mar, 2023

代議員, 日本船舶海洋工学会
Dec, 2021 - Mar, 2022

海・船の視点から見た港湾強靭化検討委員会委員, 国土交通省
Sep, 2018 - Mar, 2022

車両用多種環境シミュレータの研究に関する外部評価委員会委員, 防衛装備庁
Jun, 2020 - Mar, 2021

海・船の視点から見た港湾強靭化検討委員会委員, 国土交通省
Aug, 2019 - Mar, 2021

スパー型浮体式洋上風力発電施設の低コスト化低炭素化撤去手法の開発・実証検討委員会委員, 環境省
Sep, 2018 - Mar, 2021

二酸化炭素船舶輸送分科会委員, 環境省

Awards

Jun, 2021

2021 OMAE Conference Appreciation Award, The American Society of Mechanical Engineers (ASME)

Sotaro Masanobu
Jul, 2019

エンジニアリング奨励特別賞, 海底熱水鉱床採鉱・揚鉱パイロット試験, （一財）エンジニアリング協会

海底熱水鉱床採鉱・揚鉱パイロット試験プロジェクトチーム(石油天然ガス・金属鉱物資源機構、三菱造船、日鉄エンジニアリング、海上・港湾・航空技術研究所(正信聡太郎ほか)、清水建設、住友金属鉱山、深田サルベージ建設、三井三池製作所、三菱重工業
Nov, 2003

ポスターセッション優秀賞, 世界初！メガフロート実機自由動揺試験, 日本造船学会

難波康広, 正信聡太郎

Papers

Experimental Studies on Velocities of Gas- and Solid-Phases in Gas-Liquid-Solid Three-Phase Flow for Subsea Resource Production

Satoru Takano, Sotaro Masanobu, Shigeo Kanada, Masao Ono

Multiphase Science and Technology, 35(3) 35-54, Aug, 2023 Peer-reviewed
Study on Large Particle Slurry Transport in Inclined Pipes With Pulsating Flow for Subsea Mining

Sotaro Masanobu, Satoru Takano, Marcio Yamamoto, Yuichi Murai, Yuji Tasaka, Hyun Jin Park

Proceedings of the ASME 2023 42nd International Conference on Ocean, Offshore and Arctic Engineering (OMAE2023), 4 OMAE2023-100939, Jun, 2023 Peer-reviewedLead authorCorresponding author
Numerical Simulation on Gas–Liquid–Solid Three-Phase Flow by Gas-Lift Pumping System for Deep Sea Mining

Satoru Takano, Sotaro Masanobu

Proceedings of the ASME 2023 42nd International Conference on Ocean, Offshore and Arctic Engineering (OMAE2023), 4 OMAE2023-100624, Jun, 2023 Peer-reviewed
Study on the Axial Tension Reduction of a Dual-Bore Vertical Riser System for Deep Sea Mining

Marcio Yamamoto, Joji Yamamoto, Sotaro Masanobu

Proceedings of the ASME 2023 42nd International Conference on Ocean, Offshore and Arctic Engineering (OMAE2023), 4 OMAE2023-101679, Jun, 2023 Peer-reviewed
Correlation for calculating frictional pressure drops in vertical three-phase flows for subsea-resource production

Satoru Takano, Sotaro Masanobu, Shigeo Kanada, Masao Ono

Ocean Engineering, 275 114121-114121, May, 2023 Peer-reviewed
Ultrasound measurement of large bubbles rising in angled slug pipe flows

Dongik Yoon, Takumi Hayashi, Hyun Jin Park, Yuji Tasaka, Yuichi Murai, Satoru Takano, Sotaro Masanobu

Flow Measurement and Instrumentation, 102357-102357, Mar, 2023 Peer-reviewed
Subsea Mineral Resources and Flow Assurance for Air-lift Pumping Systems

Satoru TAKANO, Sotaro MASANOBU

JAPANESE JOURNAL OF MULTIPHASE FLOW, 36(3) 312-319, Sep 15, 2022 Invited
Measurement of Multiphase Flow in an Air-lift Pipe using Ultrasound

Yuichi MURAI, Yuji TASAKA, Hyun Jin PARK, Satoru TAKANO, Sotaro MASANOBU

JAPANESE JOURNAL OF MULTIPHASE FLOW, 36(3) 329-335, Sep 15, 2022 Invited
Ultrasound Doppler measurement of air-lift two-phase and particulate three-phase pipe flows

Yuichi Murai, Takumi Hayashi, Dongik Yoon, Hyun Jin Park, Yuji Tasaka, Satoru Takano, Sotaro Masanobu

Experiments in Fluids, 63(8), Aug, 2022 Peer-reviewed
Study on Large Particle Slurry Transport in Jumper for Subsea Mining

Sotaro Masanobu, Marcio Yamamoto, Satoru Takano, Yuichi Murai

Proceedings of the ASME 2022 41st International Conference on Ocean, Offshore and Arctic Engineering (OMAE2022), 4 OMAE2022-79597, Jun, 2022 Peer-reviewedLead authorCorresponding author
Simulation of a Vertical Riser System Composed of Two Pipes for Deep Sea Mining

Marcio Yamamoto, Joji Yamamoto, Sotaro Masanobu

Proceedings of the ASME 2022 41st International Conference on Ocean, Offshore and Arctic Engineering (OMAE2022), 4 OMAE2022-78330, Jun, 2022 Peer-reviewed
Flow Assurance for Gas-Liquid-Solid Three-Phase Flow at High Void Fraction of Gas Phase for Methane Hydrate Transport

Satoru Takano, Sotaro Masanobu, Shigeo Kanada, Masao Ono

Proceedings of the ASME 2022 41st International Conference on Ocean, Offshore and Arctic Engineering (OMAE2022), 4 OMAE2022-79601, Jun, 2022 Peer-reviewed
Model Experiments and Numerical Simulations on GPS Buoy With Steep Wave Mooring

Motoki Araki, Mitsushi Watanabe, Sotaro Masanobu, Atsuo Omura, Shouhei Kaita, Atsushi Kunita

Proceedings of the ASME 2022 41st International Conference on Ocean, Offshore and Arctic Engineering (OMAE2022), 5 OMAE2022-79783, Jun, 2022 Peer-reviewed
Measurement and simulation of the VIV response of a submersed drillstring in the transition to a critical flow regime

Marcio Yamamoto, Sotaro Masanobu, Joji Yamamoto, Masayuki Ikenobu, Tamotsu Izumida

Journal of Marine Science and Technology, 27(2) 1031-1044, Jun, 2022 Peer-reviewed
Study on Riser System in Hang-Off Configuration for Deep-Sea Mining

Marcio Yamamoto, Joji Yamamoto, Sotaro Masanobu

Proceedings of Offshore Technology Conference Asia 2022, OTC-31672-MS, Mar, 2022
Study on Pipe Wear Based on Large Scale Experiment and Scale Effect for Deep Sea Mining

Satoru Takano, Hirotaka Sato, Takashi Terao, Sotaro Masanobu, Seiya Kawano

Journal of Offshore Mechanics and Arctic Engineering, 144(1) 011803-1-011803-8, Feb, 2022 Peer-reviewed
Pressure Loss Due to Hydraulic Transport of Large Solid Particles in Vertical Pipes Under Pulsating Flow Conditions

Sotaro Masanobu, Satoru Takano, Shigeo Kanada, Masao Ono

Journal of Offshore Mechanics and Arctic Engineering, 143(6) 061801-1-061801-11, Dec, 2021 Peer-reviewedLead authorCorresponding author
Observation of gas hydrate formation at gas-liquid interface

Yasuharu NAKAJIMA, Joji YAMAMOTO, Satoru TAKANO, Marcio YAMAMOTO, Masao ONO, Shigeo KANADA, Kazuhisa OTSUBO

Proceedings of the International Conference on Power Engineering-2021, Oct, 2021 Peer-reviewed
Numerical Simulation of a Jumper Conveying Slurry for Deep-Sea Mining

Marcio Yamamoto, Tomo Fujiwara, Joji Yamamoto, Sotaro Masanobu

Proceedings of the ASME 2021 40th International Conference on Ocean, Offshore and Arctic Engineering (OMAE2021), 5, Jun, 2021 Peer-reviewed
Experimental Investigation of Large Particle Slurry Transport in Vertically Oscillating Pipe for Subsea Mining

Sotaro Masanobu, Satoru Takano, Shigeo Kanada, Masao Ono

Proceedings of the ASME 2021 40th International Conference on Ocean, Offshore and Arctic Engineering (OMAE2021), 5, Jun, 2021 Peer-reviewedLead authorCorresponding author

Misc.

107

鉛直な固気液三相流の摩擦損失推定手法

高野慧, 金田成雄, 小野正夫, 正信聡太郎

海上技術安全研究所研究発表会(Web), 23rd, 2023
Experimental Study on Flow Assurance for Pulsating Slurry Flows in Inclined Pipes

Satoru Takano, Sotaro Masanobu, Shigeo Kanada, Masao Ono

Conference Proceedings of the Japan Society of Naval Architects and Ocean Engineers, (35) 727-730, Nov, 2022
Development of ultrasound monitoring technique for slug flow in an air-lift pump

Takumi Hayashi, Dongik Yoon, Yasufumi Horimoto, Hyun Jin Park, Yuji Tasaka, Yuichi Murai, Satoru Takano, Sotaro Masanobu

Proceedings of Multiphase Flow Symposium 2022, Aug, 2022
Numerical Simulation on Internal Flow of Jumper for Subsea Mining

Marcio Yamamoto, Shigeo Kanada, Masao Ono, Tomo Fujiwara, Motoki Araki, Satoru Takano, Joji Yamamoto, Sotaro Masanobu

Proceedings of the 22th Research Presentation Meeting of National Maritime Research Institute, 22nd, Jul, 2022
Development of Analytical Tools to Support Planning of Seabed Mining Projects

Joji Yamamoto, Yasuharu Nakajima, Mitsushi Watanabe, Kazuhiro Yukawa, Sotaro Masanobu

Papers of National Maritime Research Institute, 22(別冊) 29-33, Jul, 2022
Slurry Erosion on Lifting Pipes for Seafloor Polymetallic Sufphides

Satoru Takano, Sotaro Masanobu

Journal of Japanese Society of Tribologists, 66(12) 906-911, Dec, 2021 Invited
Transient Simulation in Air-Lift Pumping Systems for Deep Sea Mining

Satoru Takano, Sotaro Masanobu

Conference Proceedings of the Japan Society of Naval Architects and Ocean Engineers, (33) 315-319, Nov, 2021
Method for Evaluating Volumetric Concentration of Each Phase and Pressure Drop in Gas-Liquid-Solid Three-Phase Flow

Satoru Takano, Sotaro Masanobu, Joji Yamamoto, Shigeo Kanada, Masao Ono

Proceedings of the 21th Research Presentation Meeting of National Maritime Research Institute, 21st, Jul, 2021
Development of Fundamental Techniques and Analytical Tool for Seabed Mining

Yasuharu Nakajima, Joji Yamamoto, Satoru Takano, Motoki Araki, Tomo Fujiwara, Marcio Yamamoto, Masao Ono, Shigeo Kanada, Ichihiko Takahashi, Sotaro Masanobu

Papers of National Maritime Research Institute, 21(別冊) 1-6, Jul, 2021
Flow Assurance for Gas-Liquid-Solid Three-Phase Flow in Inclined Pipe for Deep Sea Mining

Satoru Takano, Sotaro Masanobu, Joji Yamamoto, Shigeo Kanada, Masao Ono

Papers of National Maritime Research Institute, 20(3) 313-328, Dec, 2020
Experimental Study on Slurry Transport in Oscillating Pipe

Satoru Takano, Sotaro Masanobu, Shigeo Kanada, Masao Ono, Hiroki Sasagawa

Conference Proceedings of the Japan Society of Naval Architects and Ocean Engineers, (31) 279-282, Nov, 2020
Experimental Investigation on Effects of Internal Solid-Liquid Two-Phase Flow on Dynamic Behavior of Flexible Hose

Marcio Yamamoto, Tomo Fujiwara, Shigeo Kanada, Masao Ono, Satoru Takano, Joji Yamamoto, Sotaro Masanobu

Proceedings of the 20th Research Presentation Meeting of National Maritime Research Institute, 20th 119-120, Jul, 2020
Study on Slurry Transport in Vertically Oscillating Pipe

Satoru Takano, Sotaro Masanobu, Shigeo Kanada, Masao Ono

Proceedings of the 20th Research Presentation Meeting of National Maritime Research Institute, 20th 145-146, Jul, 2020
Study on Large Particle Slurry Transport in Pulsating Flow

Satoru Takano, Sotaro Masanobu, Shigeo Kanada, Masao Ono, Hiroki Sasagawa

Conference Proceedings of the Japan Society of Naval Architects and Ocean Engineers, (29) 545-548, Nov, 2019
Flow Assurance for Gas-Solid-Liquid Three-Phase Flow in Gas Lifting Operation

Satoru Takano, Sotaro Masanobu, Joji Yamamoto, Shigeo Kanada, Masao Ono

Proceedings of the 19th Research Presentation Meeting of National Maritime Research Institute, 19th PS-28-1-PS-28-2, Jul, 2019
Study on Effects of Internal Flow on Dynamic Response of Flexible Jumper Used for Subsea Mining

Marcio Yamamoto, Tomo Fujiwara, Shigeo Kanada, Masao Ono, Satoru Takano, Joji Yamamoto, Sotaro Masanobu

Proceedings of the 19th Research Presentation Meeting of National Maritime Research Institute, 19th PS-27-1-PS-27-2, Jul, 2019
Pressure Loss Simulation on Straight Pipe using Marine CFD Solver

Motoki Araki, Sotaro Masanobu, Kunihide Ohashi

Conference Proceedings of the Japan Society of Naval Architects and Ocean Engineers, (27) 89-93, Nov, 2018
Flow Assurance for the Three Phase Flow in Inclined Pipe

Satoru Takano, Sotaro Masanobu, Joji Yamamoto, Shigeo Kanada, Masao Ono, Hiroki Sasagawa

Conference Proceedings of the Japan Society of Naval Architects and Ocean Engineers, (27) 343-347, Nov, 2018
Studies of air lift pump for deep sea mining

Satoru Takano, Sotaro Masanobu, Joji Yamamoto, Shigeo Kanada, Masao Ono, Hiroki Sasagawa

Proceedings of the 18th Research Presentation Meeting of National Maritime Research Institute, 6 252-253, Jul, 2018
Experimental Study on Air-Lift Pumping for Subsea Mining

Satoru Takano, Sotaro Masanobu, Shigeo Kanada, Masao Ono, Hiroki Sasagawa

Conference Proceedings of the Japan Society of Naval Architects and Ocean Engineers, (25) 661-664, Nov, 2017

Books and Other Publications

サブシー工学ハンドブック

尾崎雅彦, 阿部裕司, 大山裕之, 佐藤徹, 柴沼一樹, 鈴木英之, 高木健, 稗方和夫, 平林紳一郎, 巻俊宏, 正信聡太郎, 満行泰河, 宮崎英剛, 山崎泰之, 吉田毅郎, 和田良太 (Role: Joint translator)

海文堂出版株式会社, Jul, 2016
船舶海洋工学シリーズ⑫ 海洋構造物

飯島一博, 井上俊司, 岡田真三, 尾崎雅彦, 神田雅光, 鈴木英之, 高木健, 前田克弥, 正信聡太郎, 松浦正己 (Role: Joint author)

株式会社成山堂書店, Jun, 2013

Presentations

Experimental Studies on Velocities of Gas- and Solid-Phases in Gas-Liquid-Solid Three-Phase Flow for Subsea Resource Productions

Satoru Takano, Sotaro Masanobu, Shigeo Kanada, Masao Ono

The 11th International Conference on Multiphase Flow, Apr, 2023
Development of ultrasound monitoring technique for gas-liquid two-phase flows in an air-lift pipe

Yuichi Murai, Dongik Yoon, Takumi Hayashi, Hyun Jin Park, Yuji Tasaka, Satoru Takano, Sotaro Masanobu

100th Conference of Fluids Engineering Division, the Japan Society of Mechanical Engineers, Nov, 2022
Numerical Analysis of Dual-Bore Riser System for Polymetallic Nodules Exploitation

Marcio Yamamoto, Joji Yamamoto, Sotaro Masanobu

Underwater Minerals Conference, UMC2022, Oct, 2022

Teaching Experience

Professional Memberships

THE JAPAN SOCIETY OF NAVAL ARCHITECTS AND OCEAN ENGINEERS

Research Projects

Evaluation Method of Pressure Drops due to Three-phase Flow Transport in Large Pipes for Subsea Mining

Grants-in-Aid for Scientific Research Grant-in-Aid for Scientific Research (C), Grant-in-Aid for Scientific Research (C), Japan Society for the Promotion of Science, Apr, 2022 - Mar, 2025

Satoru Takano, Sotaro Masanobu
Study on Flow Assurance and Technology Minimizing Pressure Loss for Subsea Mining

Grants-in-Aid for Scientific Research Grant-in-Aid for Scientific Research (A), Grant-in-Aid for Scientific Research (A), Japan Society for the Promotion of Science, Apr, 2021 - Mar, 2025
Study on Flow Assurance for Hydraulic Transport of Large Solid Paritcles in Vertically Oscillating Pipes for Subsea Mining

Grants-in-Aid for Scientific Research Grant-in-Aid for Scientific Research (B), Grant-in-Aid for Scientific Research (B), Japan Society for the Promotion of Science, Apr, 2018 - Mar, 2021

Masanobu Sotaro
Study on the flow elasticity phenomena of multiple vertically placed large diameter bore pipes under the current.

Grants-in-Aid for Scientific Research Grant-in-Aid for Scientific Research (B), Grant-in-Aid for Scientific Research (B), Japan Society for the Promotion of Science, Apr, 2017 - Mar, 2020

Fujiwara Tomo
Study on Hydraulic Transport of Solid Particles in Inclined / Oscillating Pipes for Subsea Mining

Grants-in-Aid for Scientific Research Grant-in-Aid for Scientific Research (B), Grant-in-Aid for Scientific Research (B), Japan Society for the Promotion of Science, Apr, 2013 - Mar, 2016

Masanobu Sotaro, FUJIWARA Tomo, YAMAMOTO Marcio, TAKANO Satoru
Development of Seafloor Mineral Processing System for Development of Seafloor Mineral Resources

Grants-in-Aid for Scientific Research Grant-in-Aid for Scientific Research (B), Grant-in-Aid for Scientific Research (B), Japan Society for the Promotion of Science, Apr, 2011 - Mar, 2013

NAKAJIMA Yasuharu, UTO Shotaro, TAKAHASHI Ichihiko, FUJITA Toyohisa, SADAKI Jun, OKAYA Katsunori, MATSUO Seiji, MASANOBU Sotaro, YAMAMOTO Joji, FUKUSHIMA Tomohiko
Long-term field measurement of a Very Large Floating Structure and development of a rational design method

Grants-in-Aid for Scientific Research Grant-in-Aid for Scientific Research (B), Grant-in-Aid for Scientific Research (B), Japan Society for the Promotion of Science, 2005 - 2006

UTSUNOMIYA Tomoaki, KATO Shunji, SATO Hiroshi, YUKAWA Kazuhiro, MASANOBU Sotaro, MAEDA Katsuya

Industrial Property Rights

特許7274718 輸送管の耐摩耗性向上方法、磁性ビーズ、及び磁力発生装置

高橋一比古, 小野正夫, 高野慧, 正信聡太郎, 山本譲司
特許7029156 鉱石スラリー輸送用配管系の摩耗評価方法、摩耗評価装置、及び鉱石の摩耗度測定装置

高橋一比古, 小野正夫, 高野慧, 正信聡太郎
特許7018190 摩耗検知機能をもつ輸送管、摩耗検知方法、及び輸送管の運用方法

高橋一比古, 小野正夫, 高野慧, 正信聡太郎
特許6984876 摩耗検知機能をもつ輸送管、輸送管の製造方法、摩耗検知方法、及び輸送管の運用方法

高橋一比古, 小野正夫, 高野慧, 正信聡太郎
特許6864908 鉱石の摩耗度評価方法及び鉱石の摩耗度測定装置

高橋一比古, 小野正夫, 高野慧, 正信聡太郎
特許6675122 螺旋状ライナーを用いたフレキシブルホースの耐摩耗性向上方法、フレキシブルホース、及びフレキシブルホースの製造方法

高橋一比古, 小野正夫, 高野慧, 正信聡太郎
特許6463007 濁水中距離測定方法及び濁水中距離測定装置並びに水中機器

篠野雅彦, 山本譲司, 中島康晴, 正信聡太郎
特許5754581 海底鉱床の採鉱方法およびその採鉱ユニット

堺浩二, 正信聡太郎, 中島康晴, 野田義道, 高野博通, 鶴元順
特許5681986 海底鉱床の採鉱方法およびその採鉱ユニット

堺浩二, 正信聡太郎, 中島康晴, 野田義道, 高野博通, 鶴元順
特許5168633 浮体と船の相対位置制御方法及び同システム

大坪和久, 正信聡太郎, 加藤俊司
特開2011-245879 浮体の係留装置

井上俊司, 加藤俊司, 齊藤昌勝, 正信聡太郎, 佐藤宏
特許4713095 洋上オフローディングシステム

加藤俊司, 難波康広, 正信聡太郎, 平井一司, 亀井操, 神田雅光
特開2006-335187 大型浮体用低反射型消波工

井上俊司, 加藤俊司, 正信聡太郎

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Awards

Papers

Misc.

Books and Other Publications

Presentations

Teaching Experience

Professional Memberships

Research Projects

Industrial Property Rights

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