OKUBO Hikaru

Affiliation

Faculty of Environment and Information Sciences, Division of Artificial Environment and Information

Job Title

Assistant Professor

Date of Birth

1991

Research Fields, Keywords

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, Tribology

Mail Address

E-mail address

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写真a

Education 【 display / non-display

  • 2016.4
    -
    2019.3

    Tokyo University of Science   Doctor Course   Accomplished credits for doctoral program

  • 2014.4
    -
    2016.3

    Tokyo University of Science   Master Course   Completed

Degree 【 display / non-display

  • Doctor of Engineering - Tokyo University of Science

Campus Career 【 display / non-display

  • 2022.4
     
     

    Duty   Yokohama National UniversityFaculty of Environment and Information Sciences   Division of Artificial Environment and Information   Assistant Professor  

External Career 【 display / non-display

  • 2021.3
    -
    2022.3

      Assistant Professor  

  • 2020.8
    -
    2021.3

      Assistant Professor  

  • 2020.3
    -
    2020.7

      Researcher  

  • 2019.5
    -
    2020.3

      Researcher  

  • 2016.4
    -
    2019.3

      Researcher  

Academic Society Affiliations 【 display / non-display

  • 2014.7
     
     
     

    日本トライボロジー学会

  • 2021.7
     
     
     

    セルロース学会

  • 2020.7
     
     
     

    高分子学会

  • 2014.7
     
     
     

    日本機械学会

Research Areas 【 display / non-display

  • Manufacturing Technology (Mechanical Engineering, Electrical and Electronic Engineering, Chemical Engineering) / Machine elements and tribology  / Tribology

  • Manufacturing Technology (Mechanical Engineering, Electrical and Electronic Engineering, Chemical Engineering) / Mechanics of materials and materials

  • Nanotechnology/Materials / Polymer materials

  • Life Science / Wood science  / セルロースナノファイバー

  • Environmental Science/Agriculture Science / Sound material-cycle social systems  / マテリアルリサイクル

 

Books 【 display / non-display

  • 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 

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    Language:Japanese Book type:Scholarly book

Papers 【 display / non-display

  • Investigation of the Lubrication Mechanism by <i>In-Situ </i>AFM Observation for the Formation Process of the Tribo-Films under Lubrication with Combined Solutions of ZDDP and Organic Friction Modifiers

    SATO Kaisei, OUCHI Haruka, OKUBO Hikaru, WATANABE Seiya, SASAKI Shinya

    JOURNAL OF JAPANESE SOCIETY OF TRIBOLOGISTS   67 ( 5 )   354 - 365   2022.5

    DOI CiNii Research

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    Language:Japanese   Publishing type:Research paper (scientific journal)   Publisher:Japanese Society of Tribologists   Joint Work  

  • Time-resolved ex situ Raman/FT-IR spectroscopic study of structural changes in polymeric gears during operation: Towards the development of operando spectroscopic systems for polymer gears

    H. Okubo , K. Kobayashi , D. Iba , I. Moriwaki , S. Yao , S. Sasaki

    Polymer Testing   113   107675 - 107675   2022

    DOI

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    Authorship:Lead author, Corresponding author   Language:English   Publishing type:Research paper (scientific journal)   Single Work  

  • Effects of a twin-screw extruder equipped with a molten resin reservoir on the mechanical properties and microstructure of recycled waste plastic polyethylene pellet moldings

    Okubo, H. and Kaneyasu, H. and Kimura, T. and Phanthong, P. and Yao, S.

    Polymers   13 ( 7 )   2021

    DOI Scopus

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    Language:The in addition, foreign language   Publishing type:Research paper (scientific journal)   Joint Work  

  • Frictional Properties of Element- and Compound-Doped Diamond-Like Carbon Films under Boundary Lubrication with Synthetic Base Oil

    Hikaru Okubo, Shinya Sasaki

    Trans Tech Publications Defect and Diffusion   2021

    DOI

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    Authorship:Lead author   Language:English   Publishing type:Research paper (scientific journal)   Single Work  

  • Tribological properties of a mesh-like nanostructured diamond-like carbon (DLC) lubricated with a fully formulated oil at DLC/steel contacts under boundary lubrication

    Okubo, H. and Watanabe, S. and Sasaki, S. and Tokuta, Y. and Moriguchi, H. and Iba, D. and Moriwaki … Show more authors

    Coatings   11 ( 7 )   2021

    DOI Scopus

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    Language:The in addition, foreign language   Publishing type:Research paper (scientific journal)   Joint Work  

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Review Papers 【 display / non-display

  • 高濃度セルロースナノファイバー成形体による次世代機械摺動材料の実現に向けた研究

    大久保光

    月刊アグリバイオ   2022.4

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    Authorship:Lead author, Last author, Corresponding author   Language:Japanese   Publishing type:Rapid communication, short report, research note, etc. (scientific journal)   Single Work  

  • 廃プラの高効率資源循環を目指して

    八尾 滋 , パントン パチヤ , 大久保光

    環境浄化技術   2021.6

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    Authorship:Last author   Language:Japanese   Publishing type:Article, review, commentary, editorial, etc. (scientific journal)   Single Work  

  • Ultralow Friction of a Tetrahedral Amorphous Carbon Film Lubricated with an Environmentally Friendly Ester-Based Oil ―DLC 膜の超低摩擦しゅう動メカニズムの解明を目指して― 大久保光

    大久保光

    トライボロジスト   2021

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    Authorship:Lead author, Corresponding author   Language:Japanese   Publishing type:Rapid communication, short report, research note, etc. (scientific journal)   Single Work  

  • プラスチックの高付加価値化マテリアルリサイクルを実現する高分子の自己再生メカニズム

    八尾滋 , パチヤ パントン , 大久保光

    日本包装学会誌   2021

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    Language:Japanese   Publishing type:Rapid communication, short report, research note, etc. (scientific journal)   Single Work  

  • DLC膜のトライボロジー特性に及ぼす潤滑油添加剤の影響

    大久保光,佐々木信也

    トライボロジスト   2018

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    Authorship:Lead author   Language:Japanese   Publishing type:Rapid communication, short report, research note, etc. (scientific journal)   Single Work  

Awards 【 display / non-display

  • 日本トライボロジー学会 2021年度 論文賞

    2022   日本トライボロジー学会   In Situ Raman-SLIM Monitoring for the Formation Processes of MoDTC and ZDDP Tribofilms at Steel/Steel Contacts under Boundary Lubrication

    Individual or group name of awards:大久保光

  • 環境革命賞

    2021   株式会社リバネス  

    Individual or group name of awards:大久保光

  • 日本トライボロジー学会 奨励賞 日本トライボロジー学会

    2020   日本トライボロジー学会  

    Individual or group name of awards:大久保光

  • 日本トライボロジー学会 2019年度 論文賞

    2019   日本トライボロジー学会  

    Individual or group name of awards:大久保光

  • 日本機械学会 2019年度 日本機械学会賞(論文賞) 日本機械学会

    2019   日本機械学会  

    Individual or group name of awards:大久保光

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