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Affiliation |
Faculty of Environment and Information Sciences, Division of Artificial Environment and Information |
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Job Title |
Associate Professor |
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Date of Birth |
1991 |
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Research Fields, Keywords |
Tribology, 高分子・超分子, レオロジー, 界面科学, ポリマーブラシ, マテリアルリサイクル, セルロースナノファイバー, マルチモーダル計測, オペランド計測 |
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Mail Address |
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Web Site |
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Related SDGs |
OKUBO Hikaru
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The Best Research Achievement in Research Career 【 display / non-display 】
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【Published Thesis】 Layered Structure and Wear Mechanism of Concentrated Polymer Brushes(LANGMUIR) 2023.12
【Published Thesis】 Novel Environmentally Superior Tribomaterial with Superlow Friction: 100% Cellulose Nanofiber Molding(TRIBOLOGY LETTERS) 2023.09
【Published Thesis】 CO<sub>2</sub>-triggered reversible transformation of soft elastomers into rigid and highly fluorescent plastics(NATURE COMMUNICATIONS) 2025.11
The Best Research Achievement in the last 5 years 【 display / non-display 】
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【Published Thesis】 Layered Structure and Wear Mechanism of Concentrated Polymer Brushes(LANGMUIR) 2023.12
【Published Thesis】 Novel Environmentally Superior Tribomaterial with Superlow Friction: 100% Cellulose Nanofiber Molding(TRIBOLOGY LETTERS) 2023.09
【Published Thesis】 CO<sub>2</sub>-triggered reversible transformation of soft elastomers into rigid and highly fluorescent plastics(NATURE COMMUNICATIONS) 2025.11
【Published Thesis】 Anti-icing properties of nonionic/hydrophilic concentrated polymer brushes and mechanistic insights via their swollen-state analysis(COMMUNICATIONS MATERIALS) 2025.02
【Published Thesis】 In-situ electrical impedance observation for lubrication conditions of gears under actual operation(TRIBOLOGY INTERNATIONAL) 2025.10
Education 【 display / non-display 】
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2016.4-2019.3
Tokyo University of Science Doctor Course Accomplished credits for doctoral program
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2014.4-2016.3
Tokyo University of Science Master Course Completed
Degree 【 display / non-display 】
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Doctor of Engineering - Tokyo University of Science
Campus Career 【 display / non-display 】
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2025.4
Duty Yokohama National UniversityFaculty of Environment and Information Sciences Division of Artificial Environment and Information Associate Professor
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2022.4-2025.3
Duty Yokohama National UniversityFaculty of Environment and Information Sciences Division of Artificial Environment and Information Assistant Professor
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2025.4
Concurrently Yokohama National UniversityCollege of Engineering Science Department of Mechanical Engineering, Materials Science and Ocean Engineering Associate Professor
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2025.4
Concurrently Yokohama National UniversityGraduate School of Environment and Information Sciences Department of Artificial Environment Associate Professor
External Career 【 display / non-display 】
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2025.10
Researcher
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2024.10
Researcher
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2023.10
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2022.4
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2021.3-2022.3
Assistant Professor
Academic Society Affiliations 【 display / non-display 】
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2014.7
日本トライボロジー学会
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2021.7
セルロース学会
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2020.7
高分子学会
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2014.7
日本機械学会
Research Areas 【 display / non-display 】
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Manufacturing Technology (Mechanical Engineering, Electrical and Electronic Engineering, Chemical Engineering) / Machine elements and tribology / Tribology
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Manufacturing Technology (Mechanical Engineering, Electrical and Electronic Engineering, Chemical Engineering) / Machine materials and mechanics
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Nanotechnology/Materials / Polymer materials
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Life Science / Wood science / セルロースナノファイバー
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Environmental Science/Agriculture Science / Recycling systems and society / マテリアルリサイクル
Books 【 display / non-display 】
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Colloids and Interfacial Dynamics: Basics to Application (Physical Chemistry in Action)
( Role: Contributor)
Springer ( ISBN:9819667275 ) [Reviewed]
Total pages:376 Responsible for pages:335-348 Language:English Book type:Scholarly book
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プラスチックのリサイクルと再生材の改質技術
大久保光( Role: Contributor)
情報技術協会
Total pages:621 Language:Japanese Book type:Scholarly book
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数値解析と表面分析によるトライボロジーの解明と制御
佐々木 信也他( Role: Contributor)
株式会社テクノシステム
Language:Japanese Book type:Scholarly book
Thesis for a degree 【 display / non-display 】
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Tribochemical interactions of diamond-like carbon films and lubricants under boundary lubrication
Hikaru Okubo
2019.9
Doctoral Thesis Single Work
Papers 【 display / non-display 】
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Miwa, Y; Okada, K; Hayashi, T; Hashimoto, K; Okubo, H; Takase, H; Yamamoto, K; Nakano, K; Kutsumizu … Show more authors
Miwa, Y; Okada, K; Hayashi, T; Hashimoto, K; Okubo, H; Takase, H; Yamamoto, K; Nakano, K; Kutsumizu, S Hide authors
NATURE COMMUNICATIONS 16 ( 1 ) 2025.11 [Reviewed]
Language:English Publishing type:Research paper (scientific journal) Joint Work
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In-situ electrical impedance observation for lubrication conditions of gears under actual operation
Watanabe, A; Okubo, H; Nakano, K
TRIBOLOGY INTERNATIONAL 210 2025.10 [Reviewed]
Language:English Publishing type:Research paper (scientific journal) Joint Work
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Relationship between layered structure and wear behavior of concentrated polymer brushes
Takeuchi, T; Kagiwata, D; Okubo, H; Ohno, K; Tsujii, Y; Nakano, K
WEAR 578 2025.9 [Reviewed]
Language:English Publishing type:Research paper (scientific journal) Joint Work
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Okubo, H; Kagiwata, D; Nakamura, R; Takeuchi, T; Nakano, K; Tsujii, Y
TRIBOLOGY LETTERS 73 ( 3 ) 2025.9 [Reviewed]
Language:English Publishing type:Research paper (scientific journal) Joint Work
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Hatanaka, S; Okubo, H; Hanzawa, K; Kajiki, R; Yamaguchi, K; Nakano, K
TRIBOLOGY LETTERS 73 ( 3 ) 2025.7 [Reviewed]
Language:English Publishing type:Research paper (scientific journal) Joint Work
Review Papers 【 display / non-display 】
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Visualization Techniques for Tribological Phenomena in Polymeric Materials
38 ( 2 ) 2026.2
Authorship:Lead author, Last author, Corresponding author Language:Japanese Publishing type:Rapid communication, short report, research note, etc. (scientific journal) Single Work
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再生高分子の力学物性と高次構造
大久保光
日本包装学会誌 34 ( 5 ) 297 - 305 2025.10 [Reviewed] [Invited]
Authorship:Lead author, Last author, Corresponding author Language:Japanese Publishing type:Rapid communication, short report, research note, etc. (scientific journal) Single Work
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Editorial: Visualization techniques in tribology
Taisuke Maruyama, Satoru Maegawa, Hikaru Okubo, Thomas Reddyhoff, Sorin-Cristian Vlădescu
JOURNAL OF JAPANESE SOCIETY OF TRIBOLOGISTS 2025.3 [Reviewed] [Invited]
Language:English Publishing type:Article, review, commentary, editorial, etc. (scientific journal) Single Work
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Atomic Force Microscopy for In-Situ Measurement of Solid-Liquid Interface Structures and Tribo-Films on Sliding Surface
2024.12 [Reviewed] [Invited]
Language:Japanese Publishing type:Article, review, commentary, editorial, etc. (scientific journal) Single Work
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Research Trends of Concentrated Cellulose Nanofiber Molding
Hikaru Okubo
JOURNAL OF JAPANESE SOCIETY OF TRIBOLOGISTS 69 ( 11 ) 734 - 740 2024.11 [Reviewed] [Invited]
Authorship:Lead author, Last author, Corresponding author Language:Japanese Publishing type:Article, review, commentary, editorial, etc. (scientific journal) Single Work
Industrial Property Rights 【 display / non-display 】
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氷核形成抑制または着氷抑制用の部材
中野健, 大久保光他
Application no:2023-085782 Date applied:2023.5.24
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摺動部材及びその製造方法
大久保光 , 橋場洋美 , 稲用亨 , 中込亮太 , 射場大輔
Application no:2022132916 Date applied:2022.9.10
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高機能ペレットの作成方法
八尾滋,大久保光
Application no:202186982 Date applied:2021.5
Awards 【 display / non-display 】
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文部科学大臣表彰 若手科学者賞
2025.4 文部科学省 超低摩擦材料の潤滑機構の解明と新機能開拓に関する研究
Individual or group name of awards:大久保光
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優秀演題賞
2026.1 公益社団法人 高分子学会 ゲル研究討論会 精密ゲルの構造・物性の可制御性に基づく摩擦現象の理解
Individual or group name of awards:大久保光
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横浜国立大学令和7年度外部資金表彰
2025.10 横浜国立大学
Individual or group name of awards:大久保光
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日本機械学会奨励賞(研究)
2025.4 日本機械学会 超低摩擦材料の潤滑機構の解明と新機能開拓に関する研究
Individual or group name of awards:大久保光
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横浜国立大学優秀研究者賞
2025.3 横浜国立大学
Individual or group name of awards:大久保光
Grant-in-Aid for Scientific Research 【 display / non-display 】
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多因子その場同時計測に基づく濃厚ポリマーブラシの潤滑機構の階層的理解と制御
Grant number:26K00858 2026.4 - 2029.3
科学研究費助成事業 Grant-in-Aid for Scientific Research(B)
Authorship:Principal investigator Grant type:Competitive
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Hierarchical Control of Superlubric Polymer Brushes for Next Generation SoftMatter Tribomaterials
Grant number:120265705 2026.4 - 2027.3
Authorship:Principal investigator Grant type:Competitive
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マルチモーダル動的界面計測による高濃度ナノセルロース成型体の超潤滑機構の解明
Grant number:24K17195 2024.4 - 2026.3
日本学術振興会 Grant-in-Aid for Early-Career Scientists
Investigator(s):大久保光
Authorship:Principal investigator Grant type:Competitive
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超分子のホスト-ゲスト相互作用による自己修復-超低摩擦型トライボシステムの創製
Grant number:22K14169 2022.4 - 2024.3
日本学術振興会 Grant-in-Aid for Early-Career Scientists
Authorship:Principal investigator
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摩擦界面のその場観察による100%セルロースナノファイバー成形体の潤滑機構の解明
Grant number:21K20402 2021.4 - 2023.3
日本学術振興会 Grant-in-Aid for Research Activity start-up
Authorship:Principal investigator Grant type:Competitive
Other external funds procured 【 display / non-display 】
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SRT材料の潤滑機構の階層的な理解と新機能開拓(加速フェーズ)
Grant number:JPMJAX23D4-a 2026.4 - 2027.3
Japan Science and Technology Agency 戦略的創造研究推進事業 ACT-X
Authorship:Principal investigator
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生体的階層構造と機能に基づく革新的ソフトマター摺動機械要素の創発
Grant number:JPMJFR243Y 2025.10 - 2032.3
Japan Science and Technology Agency 創発的研究支援事業
Authorship:Principal investigator
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電食現象の可視化技術の開発
2025.4 - 2028.4
Private Foundations TRAMI Aスキーム
Authorship:Principal investigator
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超高速摩擦界面を可視化するオペランド電気化学インピーダンス計測基盤の構築
2024.10 - 2026.3
Private Foundations
Authorship:Principal investigator
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ソフト界面のための表面増強マルチモーダル・オペランド顕微鏡の開発
2024.10 - 2025.3
Local Government 神奈川県まち・ひと・しごと創生基金科学技術政策大綱推進事業 次世代人材の研究能力開発支援等事業
Authorship:Principal investigator
Presentations 【 display / non-display 】
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精密ゲルの構造・物性の可制御性に基づく摩擦現象の理解
大久保光
第37回高分子ゲル研究討論会 2026.1 公益社団法人 高分子学会
Event date: 2026.1
Language:Japanese Presentation type:Oral presentation (general)
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濃厚ポリマーブラシの潤滑機構の階層的理解と制御
大久保光 [Invited]
第95回高分子材料のトライボロジー研究会 2025.11 日本トライボロジー学会
Event date: 2025.11
Language:Japanese Presentation type:Oral presentation (general)
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超低摩擦ポリマーブラシの潤滑機構の階層的理解と制御
大久保光 [Invited]
第47回溶液化学シンポジウム・プレシンポジウム 2025.10 日本溶液化学会
Event date: 2025.10
Language:English Presentation type:Oral presentation (general)
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濃厚ポリマーブラシの超低着氷メカニズム: 着氷界面の可視化と力学計測
大久保光
トライボロジー会議2025 秋 函館 2025.10 日本トライボロジー学会
Event date: 2025.10
Language:Japanese Presentation type:Oral presentation (general)
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高濃度CNF成形体のトライボロジー応用
大久保光 [Invited]
トライボロジー会議2025 秋 函館 2025.10 日本トライボロジー学会
Event date: 2025.10
Language:Japanese Presentation type:Oral presentation (general)
Preferred joint research theme 【 display / non-display 】
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トライボロジー
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その場計測による力学現象の機構解明
Past of Collaboration and Commissioned Research 【 display / non-display 】
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Hierarchical Control of Superlubric Polymer Brushes for Next Generation SoftMatter Tribomaterials
Offer organization: King's College Londo International Cooperative Research
Project Year: 2026.4 - 2027.3
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自動車用摩擦材における水介在時摩擦係数変動メカニズムの解明
Funded Research offered by Enterprises
Project Year: 2026.4 - 2027.3
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ソフト界面のための表面増強・マルチモーダル顕微鏡の開発
Funded Research offered by Enterprises
Project Year: 2024.10 - 2025.3
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カテーテルコーティングの潤滑機構の解明
Funded Research offered by Enterprises
Project Year: 2024.9 - 2027.3
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圧縮機摺動部品の低摩擦化に関する研究
Funded Research offered by Enterprises
Project Year: 2024.4 - 2027.3
Charge of on-campus class subject 【 display / non-display 】
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2026 Literacy for Environment and Information Science VI Management of Innovation
Graduate School of Environment and Information Sciences
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2026 Overview of Tribology
Graduate School of Environment and Information Sciences
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2026 Literacy for Environment and Information Science VI Management of Innovation
Graduate School of Environment and Information Sciences
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2026 Engineering Materials 1
College of Engineering Science
Charge of off-campus class subject 【 display / non-display 】
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機械加工法及び実習
Institution:京都工芸繊維大学
Level:Undergraduate (specialized)
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機械工学実験Ⅰ
Institution:京都工芸繊維大学
Level:Undergraduate (specialized)
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機械製図法Ⅰ
Institution:京都工芸繊維大学
Level:Undergraduate (specialized)
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機械製図法Ⅱ
Institution:京都工芸繊維大学
Level:Undergraduate (specialized)
Committee Memberships 【 display / non-display 】
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機素潤滑設計部門 運営委員会
2026.4
Committee type:Academic society
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日本トライボロジー学会 校閲委員会
2026.1
Committee type:Academic society
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International Tribology Conference 2027
2025.10
Committee type:Academic society
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文部科学省 科学技術・学術政策研究所 NISTEP, 専門調査員
2025.4
Committee type:Government
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日本トライボロジー学会,教育講習委員
2025.4
Committee type:Academic society
Social Contribution(Extension lecture) 【 display / non-display 】
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廃プラスチックの高度物性再生の開発技術者養成に係る特別講座
Role(s): Lecturer
2025.1
Media Coverage 【 display / non-display 】
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CO₂を吸収してプラスチックに変わるゴムを発明 ~CO₂を利用した光学的情報記録材料としても期待~
文部科学記者会、科学記者会、厚生労働記者会、環境省記者クラブ、環境記者会、岐阜県政記者クラブ、 神奈川県政記者クラブ、名古屋教育医療記者会、長野市政記者クラブ、松本市政記者クラブ 2025.11
Author:Other
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濃厚ポリマーブラシの防着氷機能を実証―その場分析により機能発現メカニズムを解明―
2025.4
Author:Other