Masaaki Takezawa

Profile Information

Affiliation: Professor, Faculty of Engineering Department of Electrical Engineering and Electronics, Kyushu Institute of Technology

Degree: Doctor of Engineering(Mar, 1999, Tohoku University)

Contact information: takeele.kyutech.ac.jp
Researcher number: 20312671
J-GLOBAL ID: 200901057343138890
researchmap Member ID: 1000247873

External link: http://www.ccr.kyutech.ac.jp/professors/tobata/t3/t3-1/entry-633.html

Research Interests

Research Areas

Manufacturing technology (mechanical, electrical/electronic, chemical engineering) / Electronic devices and equipment / electric device, electric equipment

Research History

Apr, 2019 - Present

Professor, Faculty of Engineering Department of Electrical Engineering and Electronics, Kyushu Institute of Technology
Apr, 2018 - Mar, 2020

Organization for Promotion of Research and Innovation, Kyushu Institute of Technology
May, 2016 - Mar, 2019

Professor, Faculty of Engineering Department of Applied Science for Integrated System Engineering, Kyushu Institute of Technology
2016

Professor,Department of Applied Science for Integrated System Engineering,Faculty of Engineering,Kyushu Institute of Technology
Apr, 1999 - Nov, 1999

Research Assistant, Tohoku University, Research Institute of Electrical Communication
1999

東北大学電気通信研究所助手
1999

Research Associate,Tohoku University, Research Institute of Electrical Communication

Education

Committee Memberships

Jun, 2021 - May, 2023

editorial committee,paper committee, The Magnetics Society of Japan
Apr, 2020 - Mar, 2023

committee, The Institute of Electrical and Engineers of Japan
Apr, 2020 - Mar, 2023

committee, The Institute of Electrical and Engineers of Japan
Mar, 2020 - Dec, 2022

committee
Jul, 2019 - Jun, 2022

committee member, The Institute of Electrical and Engineers of Japan
Apr, 2019 - Mar, 2022

次世代永久磁石の研究開発動向と応用に関する調査専門委員会委員, 電気学会
Jun, 2019 - May, 2021

editorial committee,paper committee, The Magnetics Society of Japan
Jul, 2016 - Jun, 2019

ナノスケール磁性体の構造・組織解析と創製調査専門委員会委員長, 電気学会
Jul, 2016 - Jun, 2019

chairperson of committee, The Institute of Electrical and Engineers of Japan
Jun, 2017 - May, 2019

編集・論文委員会分野副主査, 日本磁気学会
Jun, 2017 - May, 2019

editorial committee,paper committee, The Magnetics Society of Japan
Oct, 2013 - Sep, 2018

Assistant Secretary, JSPS 147th Committee on Amorphous and Nano-Crystalline Materials
Oct, 2013 - Sep, 2018

幹事補佐, 日本学術振興会アモルファス・ナノ材料147委員会
Dec, 2016 - Mar, 2018

committee
Dec, 2016 - Mar, 2018

委員, 2018年 Magnetics and Optics Research International Symposium (MORIS 2018) 実行委員会
2016 - 2018

2018年 Magnetics and Optics Research International Symposium (MORIS 2018) 実行委員会委員（2016-2018）
2013 - 2018

日本学術振興会アモルファス・ナノ材料147委員会幹事補佐（2013-2018）
2013 - 2018

JSPS 147th Committee on Amorphous and Nano-Crystalline Materials Assistant Secretary（2013-2018）
Jun, 2011 - May, 2017

編集・論文委員会委員, 日本磁気学会
Jun, 2011 - May, 2017

editorial committee,paper committee, The Magnetics Society of Japan

Awards

Feb, 2022

マグネティックス技術委員会研究奨励賞, 無方向性電磁鋼板の板厚と化粧粒径の変化による鉄損分析, 電気学会基礎・材料・共通部門マグネティックス技術委員会

川久保洋輝
Sep, 2019

電気学会平成30年優秀論文発表賞(基礎・材料・共通部門表彰), 電気学会基礎・材料・共通部門
Feb, 2018

電気学会マグネティックス技術委員会研究奨励賞, 電気学会マグネティックス技術委員会

福島啓子
Jan, 2016

電気学会マグネティックス技術委員会研究奨励賞, 電気学会マグネティックス技術委員会

池田壮一郎
Mar, 2015

第5回 PBL合同成果発表会 (九州P-1グランプリ) グランプリ, 九州工業大学

工学部総合システム工学科, 総合システム工学PBL, 竹澤班

Papers

Magnetic Domain Observation of Milled Nanocrystalline Alloy Powder

Masaaki Takezawa, Tomoya Nagaki, Satoshi Motozuka, Iwao Sasaki, Yoshito Ando, Hiroyuki Narahara, Naoki Mori, Toru Shikayama, Shinichiro Mukai, Shuhei Maeda …

IEEE Transactions on Magnetics, 2023
Preface to special issue on “recent topics and future prospect of analysis and creation of structure in nano-scaled magnetic materials”.

Takezawa M

IEEJ Transactions on Fundamentals and Materials, 141(2), Feb 1, 2021 Peer-reviewedLead author
Recent Topics of Magnetic Domain Observation Technique of Nano-scaled Magnetic Materials

Takezawa Masaaki

IEEJ Transactions on Fundamentals and Materials, 141(2) 112-117, Feb 1, 2021 Peer-reviewedLead author
Influence of Oxygen or Carbon Impurities on Domain Structure of Sm-Co Magnets

Takezawa Masaaki, Sakakura Kenji, Tanaka Jun, Machida Hiroaki, Fujiwara Teruhiko

IEEJ Transactions on Fundamentals and Materials, 141(2) 133-138, Feb 1, 2021 Peer-reviewedLead author
Analysis of Relationships between Crystal Orientation of Grains and Magnetic Domains in Nd-Fe-B Sintered Magnet by Soft X-ray Nano-beam XMCD

Maki Tomohito, Furusawa Daisuke, Nishiuchi Takeshi, Takezawa Masaaki

SPring-8/SACLA Research Report, 9(1) 80-82, Jan, 2021
Effect of Magnetic Domain Wall Motion on Hysteresis Loss of Soft Magnetic Powder

Takamasa SATO, Mikiko FUKASE, Masaaki TAKEZAWA

DENKI-SEIKO, 91(1) 13-18, Jul 10, 2020 Peer-reviewed
Magnetic properties and microstructures of high heat-resistance Sm-Co magnets with high Fe and low Zr content

Machida H, Fujiwara T, Fujimoto C, Kanamori Y, Sakakura K, Takezawa M

AIP Advances, 9(12), Dec 1, 2019 Peer-reviewed
Magnetic Domain Structures and Magnetic Properties of Lightly Nd-Doped Sm-Co Magnets with High Squareness and High Heat Resistance

Machida H, Fujiwara T, Fujimoto C, Kanamori Y, Tanaka J, Takezawa M

IEEE Transactions on Magnetics, 55(2), Feb 1, 2019 Peer-reviewed
Magnetic properties and crystal structure of high-purity Fe-(6,6.5,7) mass%Si alloys

Matsuyama K, Sasaki I, Nakagawa S, Era H, Takezawa M, Horibe Y, Hata S, Kaidou C, Ogawa T, Kubo S

2018 IEEE International Magnetic Conference, INTERMAG 2018, Oct 24, 2018 Peer-reviewed
Development of magnetic anisotropy of Nd-Fe-B quenched ribbon magnets by hot-rolling.

Record of Joint Conference of Electrical and Electronics Engineers in Kyushu, 2012 619-619, 2012
Magnetic Domain Observation of Nd-Fe-B Magnet at High Temperature

kimura yuya, nagasima yuki, takezawa masaaki, morimoto yuji, yamasaki jiro

Record of Joint Conference of Electrical and Electronics Engineers in Kyushu, 2011 631-631, 2011
省レアアース磁石材料の開発動向 1

広沢哲, 西内武司, 野澤宣介, 大久保忠勝, 宝野和博, 竹澤昌晃, 山崎二郎, 山室佐益, 隅山兼治

電気学会全国大会講演論文集, 2010(2) 2.S5(9)-2.S5(12), Mar, 2010 Peer-reviewed
Purpose and Objectives of "Project for High Performance Anisotropic Nanocomposite Permanent Magnets with Low Rare-Earth Content"

S. Hirosawa, T. Nishiuchi, T. Ohkubo, W. F. Li, K. Hono, J. Yamazaki, M. Takezawa, K. Sumiyama, S. Yamamuro

JOURNAL OF THE JAPAN INSTITUTE OF METALS, 73(3) 135-140, Mar, 2009 Peer-reviewed
Increase in thickness of PLD-Made Nd-Fe-B film magnets and a new application

M. Nakano, T. Honda, J. Yamasaki, S. Sato, F. Yamashita, J. Fidler, H. Fukunaga

SENSOR LETTERS, 5(1) 48-50, Mar, 2007 Peer-reviewed
Domain observation of Ni-Fe dots in external field by using Kerr microscopy

M. Takezawa, J. Yamasaki

Intermag 2003 - Program of the 2003 IEEE International Magnetics Conference, 2003 Peer-reviewed
High sensitivity permeability measurements of striped films obtained by input impedance

S Yabukami, TUM Yamaguchi, KI Arai, M Takezawa

IEEE TRANSACTIONS ON MAGNETICS, 37(4) 2776-2778, Jul, 2001 Peer-reviewed
Miniaturized high-frequency carrier-type thin-film magnetic field sensor with high sensitivity

H Kikuchi, N Ajiro, M Yamaguchi, KI Arai, A Takezawa

IEEE TRANSACTIONS ON MAGNETICS, 37(4) 2042-2044, Jul, 2001 Peer-reviewed
Sensitive Magnetic Field Sensor for Intelligent Ttansportation System Composed of Soft Magntic Film and Integrated Thin-Film Bias Magnet

M.Yamaguchi, M.Takezawa, K.Ishiyama, M.Baba, K.I.Arai, Y.H.Kim, N.Wako, I.Abe

Transducers'99 Digest of Technical Papers,, (1) 602-605, Jun, 1999 Peer-reviewed

Misc.

182

研究調査委員会レポート：ナノスケール磁性体の構造・組織解析と創製調査専門委員会

竹澤昌晃

電気学会論文誌．Ａ, 139(10) NL10_5-NL10_5, Jan, 2019
Change in Magnetic Domain Structure of Nd-Fe-B Sintered Magnets by Compressive Stress

Masaaki Takezawa, Yuji Morimoto, Jun Ejima, Yoshikazu Nakano, Takeshi Araki

ELECTRICAL ENGINEERING IN JAPAN, 203(1) 9-17, Apr, 2018
Change in Magnetic Domain Structure of Nd-Fe-B Sintered Magnets by Compressive Stress

Masaaki Takezawa, Yuji Morimoto, Jun Ejima, Yoshikazu Nakano, Takeshi Araki

ELECTRICAL ENGINEERING IN JAPAN, 203(1) 9-17, Apr, 2018
Influence of Misorientation Angle Between Adjacent Grains on Magnetization Reversal in Nd-Fe-B-Based Sintered Magnet

T. Maki, R. Uchikoshi, R. Ishii, M. Natsumeda, T. Nishiuchi, M. Takezawa

Journal of the Magnetics Society of Japan, 42(2) 24-29, Mar 1, 2018 Peer-reviewed
コールドクルーシブル溶解法で溶製した高純度Fe-3 mass%Si合金の磁気特性と機械的特性

中川翔太, 渡辺稜介, 佐々木巌, 竹澤昌晃, 堀部陽一, 波多聰, 開道力, 小川俊文, 恵良秀則

日本金属学会誌, 2018
Influence of Misorientation Angle Between Adjacent Grains on Magnetization Reversal in Nd-Fe-B-Based Sintered Magnet

T. Maki, R. Uchikoshi, R. Ishii, M. Natsumeda, T. Nishiuchi, M. Takezawa

Journal of the Magnetics Society of Japan, 42(2) 24-29, 2018
Magnetic and Mechanical Properties of the High Purity Fe-3 mass%Si Alloy by Cold Crucible Levitation Melting

Nakagawa Shota, Watanabe Ryosuke, Sasaki Iwao, Takezawa Masaaki, Horibe Yoichi, Hata Satoshi, Kaido Chikara, Ogawa Toshifumi, Era Hidenori

Journal of the Japan Institute of Metals and Materials, 82(12) 476-483, Jan, 2018 Peer-reviewed
The high squareness Sm-Co magnet having H-cb=10.6 kOe at 150 degrees C

Hiroaki Machida, Teruhiko Fujiwara, Risako Kamada, Yuji Morimoto, Masaaki Takezawa

AIP ADVANCES, 7(5) 056223, May, 2017
The high squareness Sm-Co magnet having H-cb=10.6 kOe at 150 degrees C

Hiroaki Machida, Teruhiko Fujiwara, Risako Kamada, Yuji Morimoto, Masaaki Takezawa

AIP ADVANCES, 7(5) 056223, May, 2017
高純度Fe-6.5wt%Si合金の磁気特性と磁区挙動観察

中川翔太, 松山和樹, 佐々木巌, 小川俊文, 開道力, 波多聰, 竹澤昌晃, 堀部陽一, 恵良秀則, 久保臣悟

日本金属学会講演概要(CD-ROM), 161st, 2017
高純度Fe-3wt%Si合金の磁気特性と機械的特性

中川翔太, 渡辺稜介, 佐々木巌, 小川俊文, 開道力, 波多聰, 竹澤昌晃, 堀部陽一, 恵良秀則, 久保臣悟

日本金属学会講演概要(CD-ROM), 160th, 2017
ナノスケール磁性体の構造・組織解析と創製の研究動向

竹澤昌晃

電気学会論文誌 A(基礎・材料・共通部門誌), 137(1) 26-27, 2017
Magnetic domain control of amorphous ribbons for highly sensitive fluxgate sensors

Hiroshi Miyata, Ryoma Yamamoto, Yuji Morimoto, Masaaki Takezawa

IEEJ Transactions on Fundamentals and Materials, 137(8) 466-469, 2017 Peer-reviewed
Nd-Fe-B 系焼結磁石の圧縮応力による磁区構造変化

竹澤昌晃, 森本祐治, 江島潤, 中野善和, 荒木健

電気学会論文誌 A(基礎・材料・共通部門誌), 137(7) 367-373, 2017
Recent topics of analysis and creation of structure in nano-scaled magnetic materials

Masaaki Takezawa

IEEJ Transactions on Fundamentals and Materials, 137(1) 26-27, 2017
Magnetic domain control of amorphous ribbons for highly sensitive fluxgate sensors

Hiroshi Miyata, Ryoma Yamamoto, Yuji Morimoto, Masaaki Takezawa

IEEJ Transactions on Fundamentals and Materials, 137(8) 466-469, 2017
Change in magnetic domain structure of Nd-Fe-B sintered magnets by compressive stress

Masaaki Takezawa, Yuji Morimoto, Jun Ejima, Yoshikazu Nakano, Takeshi Araki

IEEJ Transactions on Fundamentals and Materials, 137(7) 367-373, 2017 Peer-reviewed
Influence of misorientation angle between easy-axes of adjacent grains on magnetic domain propagation in Nd-Fe-B sintered magnet

T. Maki, R. Uchikoshi, R. Ishii, T. Nishiuchi, M. Takezawa

Proceedings of the 24th International Workshop on Rare-Earth and Future Permanent Magnets and their Applications, 24 637-640, Aug 28, 2016 Peer-reviewed
Magnetics and optics research

Munekata H, Nakamura Y, Okamoto S, Sekiguchi K, Shiratsuchi Y, Takezawa M

Japanese Journal of Applied Physics, 55(7), Jul 1, 2016
Analysis of thermal demagnetization behavior of Nd-Fe-B sintered magnets using magnetic domain observation

Masaaki Takezawa, Soichiro Ikeda, Yuji Morimoto, Hisayuki Kabashima

AIP ADVANCES, 6(5) 056021, May, 2016 Peer-reviewed

Books and Other Publications

基礎から学ぶ磁性材料～上手に利用するための基礎理論から測定法・応用の実際まで～

監修佐藤, 勝昭, 執筆者 (Role: Contributor, 第3章計測・測定法第6節 Kerr効果顕微鏡を用いた高分解能磁区観察)

R&D支援センター, Mar 27, 2020 (ISBN: 9784905507437)
次世代永久磁石の開発最前線(共著)

監修, 尾崎公洋, 杉本諭 (Role: Joint author)

エヌ・ティー・エス, Feb 15, 2019 (ISBN: 9784860435868)
磁性材料・部品の最新開発事例と応用技術(共著)

編集, 技術情報協 (Role: Joint author)

技術情報協会, Mar 30, 2018 (ISBN: 9784861047053)
磁気便覧(共著)

編集, 公, 日本磁気 (Role: Joint author)

丸善出版, Jan 30, 2016 (ISBN: 9784621300145)
Progress of Fundamentals and Developments of Novel Nd-Fe-based Permanent Magnets Free from Dy "jointly worked"

Supervisor, K. Hono, S. Hirasawa (Role: Joint author)

CMC books, Jun 26, 2015 (ISBN: 9784781310725)
省/脱Dyネオジム磁石と新規永久磁石の開発(共著)

シーエムシー出版, 2015 (ISBN: 9784781310725)
Magnetics -Fundamentals and Applications- (Revised Edition) "jointly worked"

IEEJ Technical Committee of Magnetics (Role: Joint author)

CORONA PUBLISHING CO. LTD., Oct 25, 2013 (ISBN: 9784339008562)
改訂磁気工学の基礎と応用(共著)

コロナ社, 2013 (ISBN: 9784339008562)
The World Top Technology of Kyushu Institute of Technology Vol. 3

(Role: Joint author)

Mar 5, 2012 (ISBN: 9784816708442)
The World Top Technology of Kyushu Institute of Technology Vol. 3

2012 (ISBN: 9784816708442)

Presentations

303

無方向性電磁鋼板の板厚と結晶粒径の変化に伴う磁区構造変化

川久保洋輝, 森本祐治, 竹澤昌晃, 市江毅

令和4年電気学会全国大会, Mar 21, 2022, 電気学会
Nd-Fe-B 系焼結磁石の加熱・加圧の複合効果による磁区構造変化

田村紘大, 江口徳彦, 森本祐治, 竹澤昌晃, 松本紀久

第45回日本磁気学会学術講演会, Sep 1, 2021, 日本磁気学会
無方向性電磁鋼板の板厚と結晶粒径の変化による鉄損分析

川久保洋輝, 竹澤昌晃, 森本祐治, 市江毅

電気学会マグネティックス研究会, 電気学会マグネティックス技術委員会
Nd添加したSm2Co17系磁石の磁区観察

井上健次, 竹澤昌晃, 町田浩明, 藤原照彦

電気学会マグネティックス研究会, 電気学会マグネティックス技術委員会
磁気イメージング

第43回日本磁気学会サマースクール, Dec 2, 2020, 日本磁気学会
アモルファスワイヤ作製の再現性向上に向けた試料作製

向野伸, 竹澤昌晃, 森本祐治, 宮田大史

2020年度電気・情報関係学会九州支部連合大会
磁気イメージング

IEEE Fukuoka-Hiroshima Chapter オンライン講演会, Sep 24, 2020, IEEE Magnetics Society Fukuoka and Hiroshima Joint Chapter
軟磁性異形粉末の磁区構造と磁化過程

田村紘大, 竹澤昌晃, 森本祐治, 冨田裕也

電気学会マグネティックス研究会, 電気学会マグネティックス技術委員会
無方向性電磁鋼板の薄板化による磁区構造変化の観察

川久保洋輝, 竹澤昌晃, 森本祐治, 市江毅

電気学会マグネティックス研究会, 電気学会マグネティックス技術委員会
Kerr効果顕微鏡で観察した磁性体の磁区構造と結晶組織の比較

竹澤昌晃

令和2年電気学会全国大会
磁区観察を用いたNd添加Sm-Co系磁石の減磁過程の検討

坂倉健治, 竹澤昌晃, 町田浩明, 藤原照彦

電気学会マグネティックス研究会, Dec 24, 2019, 電気学会マグネティックス技術委員会
フラックスゲート磁気センサの小型・高感度化に向けた磁性アモルファスワイヤの作製.

向野伸, 竹澤昌晃, 森本祐治, 宮田大史

電気学会マグネティックス研究会, Dec 19, 2019, 電気学会マグネティックス技術委員会
Magnetic properties and microstructures of high heatresistance Sm-Co magnets with high Fe and low Zr content

H. Machida, T. Fujiwara, C. Fujimoto, Y. Kanamori, K. Sakakura, M. Takezawa

64th Annual Conference on Magnetism and Magnetic Materials
M. Magnetic properties and microstructures of high heatresistance Sm-Co magnets with high Fe and low Zr content

H. Machida, T. Fujiwara, C. Fujimoto, Y. Kanamori, K. Sakakura, M. Takezawa

64th Annual Conference on Magnetism and Magnetic Materials, Nov 4, 2019
Analysis of Magnetization Process of Magnetic Materials by In-situ Magnetic Domain Observation with a Kerr Microscope

M. Takezawa

12th International Conference on Ferrites (ICF12), Oct 29, 2019 Invited
フラックスゲート磁気センサの小型・高感度化に向けた磁性アモルファスワイヤ作製装装置の開発

向野伸, 竹澤昌晃, 森本祐治, 宮田大史

2019年度電気・情報関係学会九州支部連合大会, Sep 27, 2019, 電気学会
Nd-Fe-B系焼結磁石の加圧・加熱による磁区構造変化

江口徳彦, 森本祐治, 竹澤昌晃, 松本紀久

第43回日本磁気学会学術講演会, Sep 25, 2019, 日本磁気学会
磁気イメージング

IEEE Fukuoka-Hiroshima Chapterサマースクール, Sep 20, 2019, IEEE Magnetics Society Fukuoka and Hiroshima Joint Chapter
軟磁性体粉末の磁区構造と磁化過程

竹澤昌晃, 瀧泰洋, 深瀬美紀子, 佐藤誉将, 冨田祐也

電気学会マグネティックス研究会, Aug 8, 2019, 電気学会マグネティックス技術委員会
磁気イメージング

第42回日本磁気学会サマースクール, Jun 21, 2019, 日本磁気学会

Teaching Experience

Oct, 2020 - Feb, 2021

電気電子工学ＰＢＬ実験 (九州工業大学)
Oct, 2019 - Mar, 2020

総合システム工学実験Ⅱ (九州工業大学)
Oct, 2019 - Mar, 2020

電気回路Ⅱ (九州工業大学)
Apr, 2019 - Mar, 2020

総合システム工学ＰＢＬ (九州工業大学)
Apr, 2019 - Sep, 2019

総合システム工学実験Ⅰ (九州工業大学)
サイエンス工房 (九州工業大学)
専門英語 (九州工業大学)
磁気工学特論Ⅰ (九州工業大学)
磁気工学特論Ⅱ (九州工業大学)
総合システム工学ＰＢＬ (九州工業大学)
総合システム工学実験Ⅱ (九州工業大学)
総合システム工学実験Ⅰ (九州工業大学)
電気機器Ⅱ (九州工業大学)
電気回路Ⅱ (九州工業大学)
卒業研究 (九州工業大学)
磁気工学特論 (九州工業大学)

Professional Memberships

Works

Research Projects

Development of a wide-field magnetic domain imaging system for permanent magnets using high dynamic range synthesis technology

Grants-in-Aid for Scientific Research, Grant-in-Aid for Scientific Research (C), Japan Society for the Promotion of Science, Apr, 2021 - Mar, 2024
高輝度LED光源を用いた磁石材料の高速磁気イメージング装置の開発

科学研究費助成事業, 基盤研究(C), 日本学術振興会, Apr, 2017 - Mar, 2020
Enhancement of electromagnetic nondestructive evaluation technique using thin-film magnetoimpedance sensor with domain wall motion at low frequency

Grants-in-Aid for Scientific Research, Grant-in-Aid for Scientific Research (B), Japan Society for the Promotion of Science, Apr, 2016 - Mar, 2019

Kikuchi Hiroaki, ISHIYAMA kazushi, HASHI shuichiro, YABUKAMI shin, TAKEZAWA masaaki
Kerr効果顕微鏡を用いた動磁区観察によるネオジム磁石の磁化反転機構の解明

科学研究費助成事業, 基盤研究(C), 日本学術振興会, Apr, 2014 - Mar, 2017
ナノマニュピュレーションによる高温対応Ｓｍ-Co/αーFe系ナノコンポジット磁石の創製に関する検討

受託研究, Apr, 2015 - Feb, 2017
Development of miniaturized magnetic field sensor with higher sensitivity using inclined magnetic domain and its application for detection of localized weak field

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

Kikuchi Hiroaki, ISHIYAMA KAZUSHI, HASHI SHUICHIRO, MATSUO TETSUJI, TAKEZAWA MASAAKI
DEVELOPMENT OF LOW COST PRODUCTION OF VARIOUS MAGNETIC MATERIALS BY IN-SITU SYNTHESIS AND MEGNETIZATION

Grants-in-Aid for Scientific Research, Grant-in-Aid for Challenging Exploratory Research, Japan Society for the Promotion of Science, Apr, 2012 - Mar, 2014

TOMOSHIGE RYUICHI, MUNAKATA Makoto, TAKEZAWA Masaaki, ISHIDA Kiyohito
紫外光Kerr効果顕微鏡による熱アシスト磁化反転の高速・高分解能動磁区観察

科学研究費助成事業, 基盤研究(C), 日本学術振興会, Apr, 2011 - Mar, 2014
High-speed & high-resolution magnetic domain observation of thermal assisted magnetic reversal with Kerr microscope using UV light

Grant-in-Aid for Scientific Research, 2011 - 2014
Kerr効果顕微鏡を用いたネオジム磁石の磁化反転機構の解明

科学研究費補助金, 2014
Sturdy of magnetization reversal mechanism of Nd-Fe-B magnet by using Kerr microscope

Grant-in-Aid for Scientific Research, 2014
低希土類元素組成高性能異方性ナノコンポジット磁石の開発(微結晶磁性体の高分解能磁区構造観察手段の開発と磁化過程解析に関する研究)

受託研究, Apr, 2011 - Mar, 2012
低希土類元素組成高性能異方性ナノコンポジット磁石の開発

元素戦略プロジェクト, 文部科学省, Jul, 2007 - Mar, 2012
硬質磁性材料の高分解能磁区構造観察手段の開発と磁化過程解析に関する研究

受託研究, 2007 - 2012
Observation of high resolution magnetic domain structure and magnetization process of hard magnetic materials

Funded Research, 2007 - 2012
永久磁石の応力下の磁気特性計測方式の開発

受託研究, 2012
Development of measurement system of magnetic properties of permanent magnet under stress

Funded Research, 2012
低希土類元素組成高性能異方性ナノコンポジット磁石の開発（微結晶磁性体の高分解能磁区構造観察手段の開発と磁化過程解析に関する研究）

受託研究, Apr, 2010 - Mar, 2011
Observation of high-speed magnetic reversal of nano-sized-dots with high resolution Kerr microscope using UV light

Grants-in-Aid for Scientific Research, Grant-in-Aid for Young Scientists(B), Japan Society for the Promotion of Science, Apr, 2009 - Mar, 2011
Magnetic domain observation of amorphous wire for high sensitivity magnetic sensor

Other Joint Research, Nov, 2009

Major Industrial Property Rights

特許第7010884号希土類コバルト永久磁石及びその製造方法、並びにデバイス

竹樺昌晃, 町田浩明, 藤原照彦, 金森悠
特許第6549720号 Rear-earth Co-based permanent magnets

M. Takezawa, T. Fujiwara, H. Machida, H. Yoshikawa

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世界最強! 日本磁石研究最前線－世界を変えた強力磁石。レアメタル危機を救え！－

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Oct 11, 2019 - Oct 11, 2019

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