Hideyuki Nosaka - My portal

Profile Information

Affiliation: Professor, College of Science and Engineering Department of Electrical and Electronic Engineering, Ritsumeikan University
: (Concurrent)Research Organization of Science and Technology, VLSI Center
: (Concurrent)Graduate School of Science and Engineering

Degree: Master of Science(Mar, 1995, Keio University)
Master of Management of Technology(Mar, 2007, Tokyo Institute of Technology)
Doctor of Engineering(Feb, 2003, Tokyo Institute of Technology)

Other name(s) (e.g. nickname): 野坂秀之
Researcher number: 60524121
ORCID iD: https://orcid.org/0000-0002-3994-0118
J-GLOBAL ID: 202001021280425757
Researcher ID: AAO-2065-2021
researchmap Member ID: R000003323

External link: http://www.ritsumei.ac.jp/~nosaka/

Research Interests

Analog Circuit, Mixed Signal, Integrated Circuit, Wireless Communication

Research Areas

Research History

Apr, 2023 - Present

RARA Associate Fellow, Ritsumeikan University
Apr, 2021 - Present

Graduate School of Science and Engineering, Ritsumeikan University
Apr, 2021 - Present

Research Organization of Science and Technology, VLSI Center, Ritsumeikan University
Apr, 2021 - Present

Professor, College of Science and Engineering, Department of Electrical and Electronic Engineering, Ritsumeikan University
Apr, 1995 - Mar, 2021

NTT Corporation
Apr, 2017 - Sep, 2019

Faculty of Science, Japan Women's University
Jul, 2014 - Jul, 2014

Faculty of Engineering, Gifu University

Education

Apr, 2005 - Mar, 2007

Management of Technology Major, Graduate School of Innovation Management, Tokyo Institute of Technology
Apr, 1993 - Mar, 1995

Department of Physics, Graduate School of Science and Technology, Keio University
Apr, 1989 - Mar, 1993

Department of Physics, Faculty of Science and Technology, Keio University

Committee Memberships

Jan, 2025 - Present

Public Relations Committee Chair, IEEE MTT-S Kansai Chapter
Jun, 2024 - Present

協議員, 電気学会関西支部
Jun, 2024 - Present

財務幹事, 電子情報通信学会エレクトロニクスソサエティ
Jun, 2022 - Present

マイクロ波研究専門委員, 電子情報通信学会エレクトロニクスソサエティ
Feb, 2016 - Present

Technical Committee, MTT-15-RF-MIXED-SIGNAL-INTEGRATED-CIRCUITS-AND-SIGNAL-PROCESSING-COMMITTEE
Feb, 2024 - Mar, 2027

広報副委員長, 2026 Asia-Pacific Microwave Conference (APMC 2026) 実行委員
Feb, 2025 - Mar, 2026

総務委員長, 2025 Microwave Workshops & Exhibition (MWE 2025) 実行委員
Jan, 2023 - Dec, 2024

Treasurer, IEEE MTT-S Kansai Chapter
Jan, 2022 - Dec, 2022

Technical Committee, IEEE MTT-S Kansai Chapter
2019 - 2021

委員, 未来Societyを形作るICT基盤技術に関する調査委員会
Apr, 2017 - Mar, 2018

専門調査員, 文部科学省科学技術予測センター
Mar, 2013 - Feb, 2017

Technical Program Committee, IEEE International Solid-State Circuits Conference (ISSCC)
Mar, 2014 - Nov, 2014

プログラム委員サブコミッティチェア（High Speed Digital Circuits and Signal Integrity分野）, Asia-Pacific Microwave Conference (APMC)
Oct, 2011 - Oct, 2014

プログラム委員サブコミッティチェア（High-speed digital, mixed signal, and opticalelectronics ICs分野）, IEEE Symposium on Compound Semiconductor Integrated Circuit (CSICS)
Jan, 2013 - Dec, 2013

実行委員財務副委員長, Microwave Workshops & Exhibition (MWE)
Mar, 2010 - Sep, 2010

プログラム委員, European Microwave Conference (EuMC)

Awards

Papers

205

Quadrature Direct Digital Synthesizer Using Folding Circuits with Current Steering DACs

Naho Imada, Koki Nagata, Hideyuki Nosaka

10th IEEE International RF and Microwave Conference (RFM2025), Sep 18, 2025 Peer-reviewed
A ROM-Less DDS with a Double Integrator Using a Current Mirror

Naoto Komiyama, Hideyuki Nosaka

10th IEEE International RF and Microwave Conference (RFM2025), Sep 17, 2025 Peer-reviewed
Vector Sum Phase Shifter Using Mixed-Signal Folding Circuits with Two's Complement Converter

Yotaro Mune, Anji Miura, Fuka Kamei, Asaka Kobayashi, Hideyuki Nosaka

10th IEEE International RF and Microwave Conference (RFM2025), Sep 17, 2025 Peer-reviewed
高速ビームステアリングに向けた線形制御無限移相器とモジュロ演算制御によるビームフォーマ技術

野坂秀之, 小林亜彩香, 三浦晏蒔, 今西蓮, 亀井風歌, 氏原秀樹, 加保貴奈, 川西哲也

電子情報通信学会論文誌C, J109-C(1), Sep 12, 2025 Peer-reviewedInvitedLead author
Linearly Controllable Infinite Phase Shifter Using Current Output DACs with Tapped Load Resistors

Fuka Kamei, Asaka Kobayashi, Hideyuki Nosaka

2025 IEEE International Symposium on Radio-Frequency Integration Technology (RFIT2025), Aug 27, 2025 Peer-reviewed
Fast-Phase-Switching Vector-Sum Phase Shifter with Optimal Mapping of Current Switches

Fuka Kamei, Asaka Kobayashi, Ren Imanishi, Hideyuki Nosaka

2024 Asia Pacific Microwave Conference (APMC2024), Nov 18, 2024 Peer-reviewed
One-Dimensional Phased Array Beamformer with Halved Signal Lines for Fast Beam Steering

Asaka Kobayashi, Ren Imanishi, Hideyuki Nosaka

2024 European Microwave Conference (EuMC2024), Sep 25, 2024 Peer-reviewed
2-D Phased Array Control Circuit for 8-bit Infinite Phase Shifters with 1/8 Compressed Control Bus

Anji Miura, Asaka Kobayashi, Ren Imanishi, Hideyuki Nosaka

2024 European Microwave Conference (EuMC2024), Sep 24, 2024 Peer-reviewed
A ROM-Less DDS with High-Speed Selectors for Reduction in DAC Settling Time Requirements

Haruki Shibue, Hideyuki Nosaka

2024 IEEE MTT-S International Microwave Symposium (IMS2024), Jun 19, 2024 Peer-reviewed
Environmentally-Friendly Disposable Circuit and Battery System for Reducing Impact of E-Wastes

Naoki Miura, Hiroaki Taguchi, Kazuyoshi Watanabe, Masaya Nohara, Tatsuyuki Makita, Masahiro Tanabe, Takahiro Wakimoto, Shohei Kumagai, Hideyuki Nosaka, Atsushi Aratake …

2024 IEEE International Solid-State Circuits Conference (ISSCC2024), Feb 20, 2024 Peer-reviewed
DDS-based Multiphase Local Oscillator Generator for Fast-Beam-Switching Phased-Array Antennas

Shuichi Inaguma, Koki Nagata, Hideyuki Nosaka

2024 IEEE Radio & Wireless Symposium (RWS2024), Jan 24, 2024 Peer-reviewed
Fast-Phase-Switching Vector Sum Phase Shifter Using Digital Quadrature Splitter

Asaka Kobayashi, Ren Imanishi, Hideyuki Nosaka

2023 Asia-Pacific Microwave Conference(APMC2023), Dec 6, 2023 Peer-reviewed
A ROM-Less DDS using Pseudo-Sine Generator

Koki Nagata, Hideyuki Nosaka

2023 European Microwave Conference (EuMC2023), Sep 20, 2023 Peer-reviewed
Fast-Phase-Switching Current-Mode Phase Shifter for Beyond 5G Phased Array Antenna

Asaka Kobayashi, Ren Imanishi, Hideyuki Nosaka

2023 European Microwave Conference (EuMC2023), Sep 19, 2023 Peer-reviewed
A ROM-Less DDS with Single Current-Switch Array Using Self-Adjusting Two-Step Integrator

Haruki Shibue, Hideyuki Nosaka

2023 IEEE Radio and Wireless Symposium (RWS), Jan, 2023 Peer-reviewed
Vector Sum Phase Shifter using Phase Control Linearization Technique

Ren Imanishi, Hideyuki Nosaka

2022 Asia-Pacific Microwave Conference (APMC), Dec, 2022 Peer-reviewed
Electrostatically-sprayed carbon electrodes for high performance organic complementary circuits

Kazuyoshi Watanabe, Naoki Miura, Hiroaki Taguchi, Takeshi Komatsu, Hideyuki Nosaka, Toshihiro Okamoto, Shun Watanabe, Jun Takeya

Scientific Reports, 12(1), Oct 7, 2022 Peer-reviewed
Improvement of contact resistance at carbon electrode/organic semiconductor interfaces through chemical doping

Kazuyoshi Watanabe, Naoki Miura, Hiroaki Taguchi, Takeshi Komatsu, Hideyuki Nosaka, Toshihiro Okamoto, Yu Yamashita, Shun Watanabe, Jun Takeya

Applied Physics Express, 15(10) 101005-101005, Oct, 2022 Peer-reviewed
Digital-Controlled High-Linearity Phase Shifter Using Vernier Ladder Network for Beyond 5G Phased Array Antenna

Ren Imanishi, Hideyuki Nosaka

2022 52nd European Microwave Conference (EuMC), Sep 27, 2022 Peer-reviewed
A Bi-Directional 300-GHz-Band Phased-Array Transceiver in 65-nm CMOS With Outphasing Transmitting Mode and LO Emission Cancellation

Ibrahim Abdo, Carrel da Gomez, Chun Wang, Kota Hatano, Qi Li, Chenxin Liu, Kiyoshi Yanagisawa, Ashbir Aviat Fadila, Takuya Fujimura, Tsuyoshi Miura …

IEEE Journal of Solid-State Circuits, 57(8) 2292-2308, Aug, 2022

Books and Other Publications

テラヘルツ波の発生、検出、制御技術と最新応用

(Role: Contributor, 第4章第5節テラヘルツ波通信向けアナログフロントエンド回路技術（p.373-384）を執筆)

Jul, 2024 (ISBN: 9784867980286)
IOWN構想

(Role: Contributor, 6章ネットワークケーススタディ11 光フロントエンド集積デバイス技術（p.162-166）を執筆)

Nov, 2019 (ISBN: 9784757103917)
2030年の情報通信技術

(Role: Contributor, 7.1.1節コア・メトロネットワーク送受信デバイス技術（p.294-296）を執筆)

Jul, 2015 (ISBN: 9784757103597)
High-speed Optical Transceivers: Integrated Circuits Designs And Optical Devices Techniques

Kiyoshi ISHII, Hideyuki NOSAKA, Kimikazu SANO, Minoru IDA, Kenji KURISHIMA, Tsugumichi SHIBATA, Takatomo ENOKI (Role: Contributor, Pages:139–165 "RECENT PROGRESS IN 40- TO 100-GBIT/S-CLASS OPTICAL COMMUNICATIONS ICS USING INP-BASED HBT TECHNOLOGIES")

World Scientific Publishing Co Pte Ltd, Mar, 2006 (ISBN: 9789812566416)

Presentations

160

高速ビームステアリングに向けた1次元フェーズドアレー制御回路

小林亜彩香, 今西蓮, 野坂秀之

電子情報通信学会ソサイエティ大会, Sep 11, 2025
デジタル直交分離器を用いた高速切換移相器

小林亜彩香, 今西蓮, 野坂秀之

電子情報通信学会総合大会, Mar 26, 2025
高速ビームステアリングに向けた高速位相切換電流モード移相器

小林亜彩香, 今西蓮, 野坂秀之

電子情報通信学会マイクロ波研究会, Jan 23, 2025
制御バスを削減する2次元フェーズドアレー制御回路

三浦晏蒔, 小林亜彩香, 今西蓮, 野坂秀之

電気学会関西支部若手研究発表会, Dec 22, 2024
直交LO出⼒DDSの低電力化の検討

今田奈歩, 永田康喜, 野坂秀之

電気学会関西支部若手研究発表会, Dec 22, 2024
高速位相切り換え移相器の低消費電力化の検討

亀井風歌, 小林亜彩香, 今西蓮, 野坂秀之

IEEE MTT-S Kansai Chapter & IEEE AP-S Kansai Joint Chapter 合同若⼿技術交流会 2024, Dec 14, 2024
人体電力伝送に向けた差動結合の周波数依存の検討

山上浩樹, 青山遼, 野坂秀之

IEEE MTT-S Kansai Chapter & IEEE AP-S Kansai Joint Chapter 合同若⼿技術交流会 2024, Dec 14, 2024
反転対称性をもつワイヤレス電力伝送の一検討

坂野滉馬, 野坂秀之

IEEE MTT-S Kansai Chapter & IEEE AP-S Kansai Joint Chapter 合同若⼿技術交流会 2024, Dec 14, 2024
1N13 広帯域アンテナの開発

氏原秀樹, 野坂秀之

宇宙科学技術連合講演会, Nov 5, 2024
分子性ドーパントによるグラファイト電極のキャリア注入特性向上と単結晶有機半導体トランジスタの低接触抵抗化

渡辺和誉, 三浦直樹, 田口博章, 小松武志, 野坂秀之, 岡本敏宏, 山下侑, 渡邉峻一郎, 竹谷純一

日本物理学会年次大会, Sep 17, 2024
次世代マイクロ波放射計兼広帯域 VLBI 受信システムの開発 (VI)

氏原秀樹, 野坂秀之, 市川隆一, 関戸衛, 宗包浩志, 宮原伐折羅, 小林知勝, 寺家孝明, 小山友明, 竹内央, 今井裕

日本天文学会2024年秋季年会, Sep 12, 2024
Development of Wideband Antennas

Hideki Ujihara, Hideyuki Nosaka

13th IVS General Meeting, Mar 4, 2024
擬似正弦波回路を用いた低消費電力DDS

永田康喜, 野坂秀之

電子情報通信学会総合大会, Mar 6, 2024
位相制御線形化技術を用いた B5Gフェーズドアレーアンテナのための高線形ベクトル合成型移相器

今西蓮, 野坂秀之

電子情報通信学会総合大会, Mar 6, 2024
B5G/6G のためのバーニア抵抗網によるデジタル線形制御可能なベクトル合成型移相器

今西蓮, 野坂秀之

電子情報通信学会マイクロ波研究会, Jan 26, 2024
広帯域アンテナの開発

氏原秀樹, 野坂秀之

VLBI懇談会シンポジウム2023, Dec 14, 2023
Vector Modulator-based Phase Shifter using Phase Control Linearization Technique

Ren Imanishi, Hideyuki Nosaka

IEEE Ritsumeikan University Student Branch English Presentation Competition 2023(EPCR2023), Dec 1, 2023
広帯域アンテナの開発

氏原秀樹, 野坂秀之

第24回ミリ波サブミリ波受信機ワークショップ 2023年度理研-NICT合同テラヘルツワークショップ, Nov 21, 2023
ディジタル制御可能な高線形ベクトル合成型移相器

今西蓮, 野坂秀之

電子情報通信学会ソサイエティ大会, Sep 12, 2023
単一電流スイッチアレイによる自己調整二段階積分を用いた DDS

澁江春希, 野坂秀之

電子情報通信学会ソサイエティ大会, Sep 12, 2023

Teaching Experience

Professional Memberships

Research Projects

Local Oscillator for 6G: Pioneering Research on Phase and Frequency Control Technology that Realizes Uninterrupted Wireless Links

Grants-in-Aid for Scientific Research, Grant-in-Aid for Scientific Research (B), Japan Society for the Promotion of Science, Apr, 2022 - Mar, 2026
Creation of direct demultiplexing method and circuit in THz-domain for THz-wave OFDM sub-carrier channels

Grants-in-Aid for Scientific Research, Grant-in-Aid for Scientific Research (A), Japan Society for the Promotion of Science, Apr, 2022 - Mar, 2026
Local Oscillator for 6G: Pioneering Research on Phase and Frequency Control Technology that Realizes Uninterrupted Wireless Links

Grants-in-Aid for Scientific Research, Grant-in-Aid for Scientific Research (B), Japan Society for the Promotion of Science, Apr, 2022 - Mar, 2026
将来無線向けシンセサイザ－新原理アナログ正弦関数回路による周波数合成の挑戦

科学研究費助成事業挑戦的研究(萌芽), 挑戦的研究(萌芽), 日本学術振興会, Jun, 2022 - Mar, 2025

野坂秀之

Industrial Property Rights

240

特許United States Patent 12345965 Driver circuit

Teruo Jo, Munehiko Nagatani, Hideyuki Nosaka
特許第7683753号分布型増幅器

徐照男, 長谷宗彦, 野坂秀之
特許第7683754号分布型増幅器

徐照男, 長谷宗彦, 野坂秀之
特許United States Patent 12278653 Delta sigma modulator

Naoki TERAO, Munehiko Nagatani, Hideyuki Nosaka
特許United States Patent 12278625 Driver circuit

Teruo Jo, Munehiko Nagatani, Hideyuki Nosaka
特許United States Patent 12206188 Circuit integrated antenna

Go Itami, Hiroshi Hamada, Hideyuki Nosaka
特許United States Patent 12206373 Distributed circuit

Teruo Jo, Munehiko Nagatani, Hideyuki Nosaka
特許第7616340号電圧設定回路、半導体集積回路および電圧設定方法

徐照男, 長谷宗彦, 野坂秀之
特許United States Patent 12176852 Voltage setting circuit, semiconductor integrated circuit and voltage setting method

Teruo Jo, Munehiko Nagatani, Hideyuki Nosaka
特許第7601198号電圧制御発振器およびバイアス生成回路

徐照男, 長谷宗彦, 野坂秀之
特許United States Patent 12160205 Amplifier and driver circuit

Teruo Jo, Munehiko Nagatani, Hideyuki Nosaka
特許 United States Patent 12119962 Sampling circuit

Naoki Terao, Munehiko Nagatani, Hideyuki Nosaka
特許United States Patent 12101084 Driver circuit

Teruo Jo, Munehiko Nagatani, Hideyuki Nosaka
特許United States Patent 12095225 DML driver

Toshiki Kishi, Munehiko Nagatani, Hideyuki Nosaka
特許 United States Patent 12095182 Circuit integrated antenna

Go Itami, Hiroshi Hamada, Hideyuki Nosaka
特許第7556449号分布型回路およびその制御方法

徐照男, 長谷宗彦, 野坂秀之
特許第7556405号音波発生装置の製造方法

三浦直樹, 田口博章, 野坂秀之
特許第7556403号タイムインターリーブ型ＡＤＣ

寺尾直樹, 長谷宗彦, 野坂秀之
特許第7544125号増幅回路およびドライバ回路

徐照男, 長谷宗彦, 野坂秀之
特許特許第7540555号ドライバ回路

徐照男, 長谷宗彦, 野坂秀之

Major Media Coverage

テラヘルツを人類の手に 100ギガ無線へのトビラを開く

ビジネスネットワーク, May 25, 2020 Internet
5Gの次、6G現る！――NTTが実現した2つの100Gbps無線技術

ビジネスネットワーク, Feb 28, 2019 Internet
ISSCC2017 56G～64Gビット/秒の高速化の潮流、有線通信の注目講演

日経テクノロジーオンライン記事, Feb 15, 2017 Internet
ISSCC2016 有線通信の高速化が進む、50Gビット/秒を超えたトランシーバー

日経テクノロジーオンライン記事, Feb 9, 2016 Internet