• 2025.05.28
  東北大学足立先生にご講演頂きました‼
• 2025.05.08
  フラウンホーファー研究機構の研究者2名にご訪問頂きました‼
• 2025.04.29
  進士研究室主催のBBQにご招待頂きました‼
• 2025.04.16
  Empa（スイス連邦材料科学研究所）のMohammad Alinezhadfar氏にご講演頂きました‼
• 2025.04.08
  2025年度 桃園研新入生歓迎会‼
• 2025.04.08
  2025年度がスタートしました‼
• 2025.03.27
  学生室がとうとう完成!!
• 2025.03.25
  第3回 NSKトライボロジー協働研究拠点報告会
• 2025.03.19
  学生室の家具組立て中...(完成度20%)
• 2025.02.26
  学生室の家具組立て中...（汗）
• 2025.02.26
  東京科学大学赤坂先生＆学生さんご訪問
• 2024.12.19
  イーグル工業株式会社様技術交流会
• 2024.12.13
  第15回 トライボダイナミクス研究会＠NSKトライボロジー協働研究拠点（N-TRIBO）
• 2024.12.11
  東京理科大学宮武先生＆学生さんご訪問
• 2024.11.29
  兵庫県立大学鷲津先生ご講演
• 2024.10.30
  トライボロジー会議2024 秋 名護にて，学会発表しました．
• 2024.09.06
  Technical University of DarmstadtのEckhard Kirchner教授の研究室を訪問しました．
• 2024.09.03
  49th Leeds-Lyon Symposium on Tribology 2024 にて学会発表しました．
• 2024.08.07
  スウェーデン王立工科大学Sergei Glavatskih教授ご講演
• 2024.07.18
  東北大学水谷正義先生＆学生さんご訪問
• 2024.07.06
  第66回 "超"を目指す軸受技術研究会にて講演しました．
• 2024.04.27
  進士研究室主催のBBQにご招待頂きました！！
• 2024.04.15
  第11回日中トライボロジー先端フォーラム
• 2024.04.09
  横浜国立大学中野先生ご講演
• 2024.03.07
  新4年生向けすずかけ台合同研究室見学会
• 2024.02.27
  名古屋工業大学糸魚川文広先生ご講演
• 2023.12.04
  調印式＠東工大
• 2023.11.27
  研究拠点の立上げ風景
• 2023.09.24
  Tribochemistry Beppu 2023 (10th International Forum on Tribochemistry)
• 2023.07.07
  研究拠点＠東工大の発足前に...

2025

Review Papers

• "Editorial: Visualization techniques in tribology"
  Taisuke Maruyama, Satoru Maegawa, Hikaru Okubo, Thomas Reddyhoff, Sorin-Cristian Vlădescu
  Front. Mech. Eng. 11, 1588494

  • DOI: 10.3389/fmech.2025.1588494

2024

Full Papers

• "Application of the Electrical Impedance Method to Steel/Steel EHD Point Contacts"
  Taisuke Maruyama, Daichi Kosugi, Shunsuke Iwase, Masayuki Maeda, Ken Nakano, Satoshi Momozono
  Front. Mech. Eng. Sec. Tribology 10

  • DOI: 10.3389/fmech.2024.1489311
• "Studies on Dielectric Spectroscopy of Oxidatively Degraded Poly(α-olefin)"
  Shunsuke Iwase, Taisuke Maruyama, Satoshi Momozono, Satoru Maegawa and Fumihiro Itoigawa
  Front. Mech. Eng. Sec. Tribology 10

  • DOI: 10.3389/fmech.2024.1504347

Review Papers

• "Lubrication Condition Monitoring in EHD Contacts (Development of electrical impedance method)"
  Taisuke Maruyama
  Design Engineering, Japan Society for Design Engineering 59, 1, 13

  • URL

Presentations

• "Voltage Characteristics of Electrical Impedance Method on Rough Surfaces"
  Daichi Kosugi, Fumiaki Aikawa, Shunsuke Iwase, Taisuke Maruyama, Satoshi Momozono
  トライボロジー会議2024 秋 名護
• "誘電分光によるEHD接触域の温度・粘度計測"
  岩瀬　駿介，丸山　泰右，桃園　聡，前川　覚，糸魚川　文広
  トライボロジー会議2024 秋 名護 ヤングトライボロジストシンポジウム
• "The Influence of Multiple Oil Tracks on Starved Electrohydrodynamic Lubrication "
  Yasuo Matsuzaki, Taisuke Maruyama, Satoshi Momozono
  49th Leeds-Lyon Symposium on Tribology 2024
• "Application of Dielectric Spectroscopy for EHD Contact "
  Shunsuke Iwase, Taisuke Maruyama, Satoshi Momozono, Satoru Maegawa and Fumihiro Itoigawa
  49th Leeds-Lyon Symposium on Tribology 2024
• "Lubrication condition monitoring in EHD line contacts using the electrical impedance method"
  T. Maruyama, F. Radzi, T. Sato, S. Iwase, M. Maeda, K. Nakano
  49th Leeds-Lyon Symposium on Tribology 2024
• "Monitoring Techniques for Lubrication Conditions Using Electrical Methods"
  Taisuke Maruyama, Shunsuke Iwase, Fumihiro Itoigawa, Ken Nakano, Satoshi Momozono
  トライボロジー会議2024 春 東京
• "電気インピーダンス法によるボールねじの潤滑状態評価"
  永井　豊，青山　樹林，丸山　泰右
  2024年度精密工学会春季大会, 764-765

  • URL

Lecture

• "Visualization Techniques for Lubrication Condition of Rolling Bearings"
  Taisuke Maruyama and Keisuke Manabe
  第66回 "超"を目指す軸受技術研究会
• "転がり軸受の潤滑状態可視化技術　～電気インピーダンス法～"
  Taisuke Maruyama
  転がり軸受の試験・評価技術，新樹社, 第6回軸受技術講演会

2023

Full Papers

• "Lubrication Condition Monitoring in EHD Line Contacts of Thrust Needle Roller Bearing Using the Electrical Impedance Method"
  Taisuke Maruyama, Faidhi Radzi, Tsutomu Sato, Shunsuke Iwase, Masayuki Maeda and Ken Nakano
  lubricants 11, 5, 223

  • DOI: 10.3390/lubricants11050223

Presentations

• "Diagnosis of Grease Condition Using Dielectric Spectroscopy"
  Shunsuke Iwase, Taisuke Maruyama, Satoru Maegawa, Fumihiro Itoigawa
  9th International Tribology Conference, Fukuoka 2023, Fukuoka International Congress Center, Fukuoka, Japan
• "Diagnosis of Grease Condition Using Dielectric Spectroscopy"
  Shunsuke Iwase, Taisuke Maruyama, Satoru Maegawa, Fumihiro Itoigawa
  77th STLE Annual Meeting & Exhibition, Long Beach, California, USA
• "Lubrication Condition Monitoring of Radially Loaded Ball Bearings by Electrical Impedance Method"
  Taisuke Maruyama, Shunsuke Iwase, Masayuki Maeda and Ken Nakano
  77th STLE Annual Meeting & Exhibition, Long Beach, California, USA
• "熱回路網法を用いた玉軸受のグリース温度予測"
  眞鍋　佳資，前田　成志， 丸山　泰右，野木　高， 桃園　聡，前川　覚， 糸魚川　文広
  トライボロジー会議2023 春 東京

Lecture

• "電気的手法を用いたEHD 接触域における潤滑状態モニタリング技術"
  Taisuke Maruyama
  超精密位置決め専門委員会，精密工学会, 2023年6月度定例会
• "電気インピーダンス法を用いた潤滑状態可視化技術"
  Taisuke Maruyama
  2023年度精密工学会春季大会，精密工学会

2022

Books

• "3.3 - Lubrication approaches"
  Taisuke Maruyama
  Fretting Wear and Fretting Fatigue, Elsevier, 119-151

  • DOI: 10.1016/B978-0-12-824096-0.00007-X

Presentations

• "Lubrication condition monitoring of multiple bearings using impedance spectroscopy"
  Daichi Kosugi, Shunsuke Iwase, Taisuke Maruyama, Yasuyuki Shimizu
  トライボロジー会議2022 春 東京(オンライン)

2021

Presentations

• "誘電分光法を用いたグリース状態診断技術"
  岩瀬　駿介，丸山　泰右，前川　覚，糸魚川　文広
  トライボロジー会議2021 秋 松江

Lecture

• "転がり軸受の潤滑状態モニタリングに関する研究 －電気インピーダンス法の開発－"
  Taisuke Maruyama, Masayuki Maeda and Ken Nakano
  東海＆自動車のトライボロジー研究会，日本トライボロジー学会

Awards

• "Tribology Online Best Paper Awards 2020"
  Taisuke Maruyama, Masayuki Maeda and Ken Nakano
  Japanese Society of Tribologists

  • URL
  • DOI: 10.2474/trol.14.327

2020

Presentations

• "Effect of Degradated Urea Thickener on Film Thickness in Grease Lubricated Rolling Bearings"
  Kazunori Nakagawa, Taisuke Maruyama
  トライボロジー会議2020 秋 別府＠オンライン

Lecture

• "転がり軸受の潤滑状態モニタリングに関する研究"
  Taisuke Maruyama, Masayuki Maeda and Ken Nakano
  サステナブルなパワートレインの為のトライボロジー研究分科会，日本トライボロジー学会

2019

Full Papers

• "Lubrication Condition Monitoring of Practical Ball Bearings by Electrical Impedance Method"
  Taisuke Maruyama, Masayuki Maeda and Ken Nakano
  Tribology Online 14, 5, 327-338

  • DOI: 10.2474/trol.14.327

Review Papers

• "Monitoring Techniques of Lubrication Condition in EHD Contacts using Electric Method"
  Taisuke Maruyama, Masayuki Maeda and Ken Nakano
  Journal of Japanese Society of Tribologists 64, 11, 655-660

  • DOI: 10.18914/tribologist.64.11_655

Presentations

• "Development of Electrical Impedance Method for Monitoring Lubrication Conditions in EHD Contacts"
  Taisuke Maruyama, Masayuki Maeda and Ken Nakano
  International Tribology Conference Sendai 2019, Sendai, Miyagi, Japan
• "Effects of Stearic Acid on Lubrication Conditions in Rolling Bearings"
  Taisuke Maruyama, Masayuki Maeda and Ken Nakano
  Tribochemistry Hakodate 2019 (8th International forum on Tribochemistry), Hakodate, Hokkaido, Japan
• "Effects of Oiliness Additives on Lubrication Conditions in Rolling Bearings"
  Taisuke Maruyama, Masayuki Maeda and Ken Nakano
  74th STLE Annual Meeting & Exhibition, Nashville, Tennessee, USA

Lecture

• "Study on Lubrication Condition Monitoring in EHD contacts"
  Taisuke Maruyama, Masayuki Maeda and Ken Nakano
  工作機械のトライボロジー研究会，日本トライボロジー学会
• "Study on Lubrication Condition Monitoring in Rolling Bearings ―Development of Electrical Impedance Method―"
  Taisuke Maruyama, Masayuki Maeda and Ken Nakano
  第26回 スペーストライボロジー研究会，日本トライボロジー学会
• "Study on Lubrication Condition Monitoring in EHD contacts ―Development of Electrical Impedance Method―"
  Taisuke Maruyama, Masayuki Maeda and Ken Nakano
  トライボロジー研究会 第30回講演会，協同油脂株式会社

  • URL

Awards

• "Yokohama National University Student Awards"
  Taisuke Maruyama
  Graduate School of Environment and Information Sciences,Yokohama National University

  • URL

Doctoral Dissertations

• "Study on Lubrication Condition Monitoring of Rolling Bearings ―Development of Electrical Impedance Method―"
  Taisuke Maruyama
  Doctoral Dissertation, Graduate School of Environment and Information Sciences, Yokohama National University

2018

Full Papers

• "In Situ Quantification of Oil Film Formation and Breakdown in EHD Contacts"
  Taisuke Maruyama and Ken Nakano
  Tribology Transactions 61, 6, 1057-1066

  • DOI: 10.1080/10402004.2018.1468519

Presentations

• "Quantitative Monitoring of Lubrication Conditions in Rolling Bearings"
  Taisuke Maruyama and Ken Nakano
  45th Leeds-Lyon Symposium on Tribology, Leeds, UK, Leeds, UK

  • PDF
• "Application of Electrical Impedance Method to Condition Monitoring of Steel/Steel EHD Contacts"
  Taisuke Maruyama and Ken Nakano
  73rd STLE Annual Meeting and Exhibition, Minneapolis, Minnesota, USA

Lecture

• "電気インピーダンス法を用いたEHD接触における油膜の厚さと破断率の同時測定"
  Taisuke Maruyama, Masayuki Maeda and Ken Nakano
  第295回トライボロジー懇談会，九州大学

2017

Review Papers

• "STLE Annual Meeting & Exhibitionに参加して ―2014年および2016年―"
  Taisuke Maruyama
  Journal of Japanese Society of Tribologists 62, 12, 780

  • URL

Presentations

• "Simultaneous Measurement of Oil Film Thickness and Breakdown Ratio in EHD Contacts -The Electrical Impedance Method-"
  Taisuke Maruyama and Ken Nakano
  2nd Czech-Japan Tribology Workshop, Takamatsu, Kagawa, Japan
• "Mechanism of Fretting Wear Reduction using Magnesium Stearate as Lubricant Additive under Oil Lubrication"
  Taisuke Maruyama, Michita Hokao
  6th World Tribology Congress, Beijing, China
• "Electrical Impedance Method for Measuring Oil Film Thickness and Metallic Contact Ratio in EHD Contacts"
  Taisuke Maruyama and Ken Nakano
  44th Leeds-Lyon Symposium on Tribology, Lyon, France

  • PDF

2016

Full Papers

• "Differences in Mechanisms for Fretting Wear Reduction between Oil and Grease Lubrication"
  Taisuke Maruyama,Tsuyoshi Saitoh and Atsushi Yokouchi
  Tribology Transactions 60, 3, 497-505

  • DOI: 10.1080/10402004.2016.1180469

Presentations

• "Influence of Magnesium Stearate as Lubricant Additive on Fretting Wear under Oil Lubrication"
  Taisuke Maruyama, Michita Hokao
  71st Annual Meeting & Exhibition, Las Vegas, Nevada，USA

2015

Full Papers

• "Relationship between Supplied Oil Flow Rates and Oil Film Thicknesses under Starved Elastohydrodynamic Lubrication"
  Taisuke Maruyama and Tsuyoshi Saitoh
  lubricants 3, 2, 365-380

  • DOI: 10.3390/lubricants3020365

2014

Review Papers

• "Prologue to the Special Issue on“Visualization Techniques for Tribological Analysis（Part 2）"
  Taisuke Maruyama
  Journal of Japanese Society of Tribologists 59, 5, 258

  • URL

Presentations

• "Difference in Preventive Mechanism for Fretting Wear between Oil and Grease Lubrication"
  Taisuke Maruyama, Tsuyoshi Saitou, Atsushi Yokouchi
  STLE 69th Annual Meeting & Exhibition, Lake Buena Vista, Florida, USA

2013

Awards

• "Japanese Society of Tribologists Best Paper Awards 2012"
  Taisuke Maruyama, Tsuyoshi Saitoh
  Japanese Society of Tribologists

  • URL

2011

Full Papers

• "Difference in preventive mechanism for fretting wear between oil and grease lubrication"
  Taisuke Maruyama and Tsuyoshi Saitoh
  Journal of Japanese Society of Tribologists 56, 12, 788-796

Presentations

• "Oil Film Behavior under Minute Oscillatory Conditions in EHL line Contacts"
  Taisuke Maruyama and Tsuyoshi Saitoh
  International Tribology Conference, Hiroshima, Japan

2010

Full Papers

• "Oil Film Behavior under Minute Vibrating Conditions in EHL Point Contacts"
  Taisuke Maruyama and Tsuyoshi Saitoh
  Tribology International 43, 8, 1279-1286

  • DOI: 10.1016/j.triboint.2009.11.004

2008

Presentations

• "Oil Film Behavior under Minute Vibrating Conditions in EHL Point Contacts"
  Taisuke Maruyama and Tsuyoshi Saito
  35th Leeds-Lyon Symposium on Tribology, Leeds, UK