- Hiroshi Tani, Yangwei Zhu, Shouhei Kawada, Renguo Lu, and Shinji Koganezawa, Ionic liquid and pvdf composite films for triboelectric nanogenerator, The 22nd International Conference on Micro and Nanotechnology for Power Generation and Energy Conversion Applications (PowerMEMS 2024), 1-14 December 2023, Abu Dhabi, UAE, 2023
- Masaya Hatanaka, Shinji. Koganezawa, Hiroshi. Tani, Renguo. Lu, Shouhei. Kawada, Improvement in Power Generation Capability of a Self-Powered Vibration Sensor for Bridge Structural Health Monitoring System, The 22nd International Conference on Micro and Nanotechnology for Power Generation and Energy Conversion Applications (PowerMEMS 2024), 11-14 December 2023, Abu Dhabi, UAE, 2023
- Shinji Koganezawa, Futa Matsumoto, Hiroshi Tani, Renguo Lu, Shouhei Kawada, LSTM-Driven Vehicle Counting for Bridge Health Monitoring with a Magnetostrictive Vibration Sensor, 2023 IEEE SENSORS, 29 October 2023 – 01 November 2023, Vienna, Austria, 2023
- Hiroshi Tani, Keiji Kawata, Shohei Kawada, Renguo Lu, Shinji Koganezawa, Norio Tagawa, Improvement of Perfluoroplyether Lubricant Adsorption on Graphene Overcoat by Ultraviolet and Heat Treatment, 9th international tribology conference Fukuoka 2023 (ITC2023), 25-30 Sept. 2023, Fukuoka, 2023
- Makoto Morishita, Shouhei Kawada, Renguo Lu, Shinji Koganezawa, Hiroshi Tani, Gen Masuda, Lubricating Mechanism of Silicone-containing Ionic Liquids as Lubricant Additives, 9th international tribology conference Fukuoka 2023 (ITC2023), 25-30 Sept. 2023, Fukuoka, 2023
- Kento Imai，Renguo Lu，Shohei Kawada，Hiroshi Tani，Shinji Koganezawa, In-situ Observation of Electric-Current-Induced Decomposition of Lubricants, 9th International Tribology Conference (ITC Fukuoka 2023), Fukuoka, Japan, Sep 25-30, 2023
- Chencheng Wu，Kazufumi Kontani, Renguo Lu，Shohei Kawada，Hiroshi Tani，Shinji Koganezawa, In-situ Observation of Electric-Field-Driven Behavior of Lubricant Molecules, 9th International Tribology Conference (ITC Fukuoka 2023), Fukuoka, Japan, Sep 25-30, 2023
- Hiroshi Tani, Yuki Yamaji, Ryosuke Sagata, Tomomi Hatta, Renguo Lu, Shinji Koganezawa, Norio Tagawa, Adsorption and Tribological Properties of Perfluoropolyether Lubricant Films Having Main-Chains With Different Carbon Number, The 32nd ASME Annual Conference on Information Storage and Processing Systems (ISPS 2023), Aug. 28-30, 2023, Milpitas, CA. (2023) ISPS2023-109769.
- H. Tani, H. Kurafuji, N. Tagawa1 S. Kawada, R. Lu, S. Koganezawa, Effect of Humidity on Head Smear Generation in Head Assisted Magnetic Recording, Intermag 2023, Sendai, May 15-19, 2023, (2023) OPA-07
- Shinji Koganezawa, Kensei Funai, Hiroshi Tani, Renguo Lu, Shohei Kawada, Feasibility study of reduction in sound-pressure induced vibration in hard disk drives using an adaptive feed-forward control, 2023 IEEE International Magnetic Conference, Sendai, May 15-19, (2023),OPA-09
- Shouhei Kawada, Shunsuke Tanji, Jyo Kobayashi, Masaaki Miyatake, Shinya Sasaki, Renguo Lu, Shinji Koganezawa, Hiroshi Tani, Relationship between lubricating properties and relative humidity under lubrication with ionic liquids, THE 22ND INTERNATIONAL VACUUM CONGRESS (IVC-22), Sapporo, Japan, 2022.09
- Renguo Lu, Kazufumi Kontani, Hiroshi Tani, Shohei Kawada, Shinji Koganezawa, Norio Tagawa, EFFECT OF ELECTRIC CURRENT ON FRICTION BEHAVIOR OF LUBRICANT MOLECULES, 2022 JSME-IIP/ASME-ISPS Joint International Conference on Micromechatronics for Information and Precision Equipment (MIPE2022), Nagoya, Japan, 2022.08
- Hiroshi Tani, Makoto Toyoda, Shouhei Kawada, Renguo Lu, Shinji Koaganezawa, Norio Tagawa, External electric field effect to head smear generated from disk with PFPE lubricant film in heat-assisted magnetic recording, 2022 JSME-IIP/ASME-ISPS Joint International Conference on Micromechatronics for Information and Precision Equipment (MIPE2022), Nagoya, Japan, 2022.08
- Kenji Yakata, Hiroshi Kurafuji, Hiroshi Tani, Renguo Lu, Shinji Koganezawa, Shouhei Kawada, Norio Tagawa, Effects of Oxygen Concentration on Smear Formation in HAMR System, 2022 JSME-IIP/ASME-ISPS Joint International Conference on Micromechatronics for Information and Precision Equipment (MIPE2022), Nagoya, Japan, 2022.08
- Norio Tagawa, Hiroshi Tani, Shinji Koganezawa, Renguo Lu, Elastic Modulus Measurement of Ultrathin Diamond-Like Carbon Film Using Gas Cluster Ion Beam, 2022 JSME-IIP/ASME-ISPS Joint International Conference on Micromechatronics for Information and Precision Equipment (MIPE2022), Nagoya, Japan, 2022.08
- Hotaka Tsuboi, Shinji Koganezawa, Hiroshi Tani, Renguo Lu, Shohei Kawada, An inclined-legs actuator inspired by Setaria viridis, MIPE2022, Nagoya, Japan, 2022.08
- Ryo Kawakami, Hiroshi Tani, Shohei Kawada, Rengo Lu, Shinji Koganezawa, Norio Tagawa, Development of counting system of people passing on floor mat using triboelectric power generation, MIPE2022, Nagoya, Japan, 2022.08
- Koki Hosoda, Hiroshi Tani, Renguo Lu, Shinji Koganezawa, Shohei Kawada, Norio Tagawa, Takahiro Fujiwara, Kyota Sugioka, Kenichi Kuroda, Mutsuki Sugimoto, Yukio Nakao, Estimation of tire wear using multiple tribocharge sensors mounted inside tire, MIPE2022, Nagoya, Japan, 2022.08
- Yuya Tone , Hiroshi Tani, Shinji Koganezawa, Renguo Lu, Shohei Kawada, Monitoring radial load force of rolling bearing using triboelectric sensor, MIPE2022, Nagoya, Japan, 2022.08
- Saho Ikeda, Masaya Hatanaka, Shinji Koganezawa, Shohei Kawada, Renguo Lu, Hiroshi Tani, Norio Tagawa, Improvement of self-powered vibration sensing device for structural health monitoring, MIPE2022, Nagoya, Japan, 2022.08
- Shinji Koganezawa, Tomotake Ishii, Hiroshi Tani, Renguo Lu, Norio Tagawa, Development of vibration sensor using giant magnetostrictive material for self-powered structural health monitoring system, 2020 IEEE SENSORS, online, 2020.10
- Hiroshi Tani, Renguo Lu, Shinji Koganezawa, Norio Tagawa, Investigation of smear formation mechanism from DLC film by heating, The ASME 2020 Conference on Information Storage and Processing Systems (ISPS2020), online, 2020.6
- Hiroshi Tani, Mutsuki Sugimoto, Kazuhisa Fushihara, Yukio Nakao, Renguo Lu, Shinji Koganezawa, Norio Tagawa,, Energy harvesting from triboelectric nanogenerator attached inside rolling tire, Power MEMS2019, Krakow, Poland, 2019.12
- Norio Tagawa，Kenji Yakata，Hiroshi Tani，Shinji Koganezawa，Renguo Lu，Effect of laser heating on the smear behavior of PFPE lubricant films on magnetic disks in air and helium, The 10th International conference BALTTRIB’2019, Akademija, Kaunas, Lithuania, 2019.11
- Hiroshi Tani, Kyohei Kijima, Renguo Lu, Shinji Koganezawa, Norio Tagawa, Tribofilm characterization by surface enhanced Raman spectroscopy, Tribology Frontier Conference 2019, Chicago, USA, 2019.10
- Kenji Yakata，Satoki Ichikawa，Koji Otawa，Hiroshi Tani，Renguo Lu，Shinji Koganezawa，Norio Tagawa，Smear and decomposition behaviors of PFPE lubricant film on magnetic disk by laser heating in air and helium，International Tribology Conference Sendai 2019 (ITC Sendai2019), Sendai, Japan, 2019.9
- Renguo Lu, Sora Shiode, Takayuki Hamada, Hiroshi Tani, Norio Tagawa, Shinji Koganezawa, A Study of diffusion and segregation of hydrogen in bearing steels, International Tribology Conference Sendai 2019 (ITC Sendai2019), Sendai, Japan, 2019.9
- Renguo Lu, Hiroshi Tani, Norio Tagawa, Shinji Koganezawa, Study of hydrogen diffusion in bearing steel and the segregation effect of DLC, International Conference on Mechanical Design and History of Technology 2019 (ICMDHT-2019), Osaka, Japan, 2019.9
- Renguo Lu, Hiroshi Tani, Norio Tagawa, Shinji Koganezawa, Tribological properties of phenylethers in boundary lubrication, The European Conference on Tribology 2019 (ECOTRIB 2019), Vienna, Austria, 2019.6
- Hiroshi Tani，Yuki Uesaraie，Renguo Lu，Shinji Koganezawa，Norio Tagawa，Hybrid lubricant film with high bonding ratio and high coverage, Proceedings of the ASME 2019 Conference on Information Storage and Processing Systems，San Diego, USA, 2019.6
- Norio Tagawa，Kenji Yakata，Hiroshi Tani，Renguo Lu，Shinji Koganezawa，Smear behavior of PFPE lubricant films on magnetic disk by laser heating in air and helium, Proceedings of the ASME 2019 Conference on Information Storage and Processing Systems, San Diego, USA, 2019.6
- Hiroshi Tani, Rengo Lu, Shinji Koganezawa, Norio Tagawa, PFPE lubricant film with high thermal stability deposited by photoelectron assisted chemical vapor deposition, 2018 Asia-Pacific Magnetic Recording Conference (APMRC), Shanghai, China, 2018.11
- Hiroshi Tani，Yuta Shibahara，Yuki Uesaraie，Renguo Lu，Shinji Koganezawa，Norio Tagawa，Organic liquid generated from DLC during laser heating, 2018 Tribology Frontier Conference, Chicago, USA, 2018.10
- D. Okishio, H. Tani, R. Lu, S. Koganezawa, N. Tagawa, Friction reduction of SiC mechanical seal by carbon nanofiber film, The 6th Asia International Conference on Tribology, Sarawak, Malaysia, 2018.9
- Renguo Lu, Sora Shiode, Hiroshi Tani, Norio Tagawa, Shinji Koganezawa，Effect of DLC coating on preventing hydrogen diffusion in thrust bearing, The 6th Asia International Conference on Tribology, Sarawak, Malaysia, 2018.9
- Renguo Lu, Hiroshi Tani, Norio Tagawa and Shinji Koganezawa, Study of the hydrogen diffusion and segregation into thrust bearing steel using TOF-SIMS, The 18th Nordic Symposium on Tribology (Nordtrib2018), Uppsala, Sweden, 2018.6
- Shinji Koganezawa，Shotaro Tsuda，Hiroshi Tani，Renguo Lu， Norio Tagawa，Numerical study on the effects of linear protrusion on flow-induced carriage excitation force in hard disk drives, the ASME-JSME 2018 Joint International Conference on Information Storage and Processing Systems and Micromechatronics for Information and Precision Equipment, San Francisco, USA, 2018.8
- Hiroshi Tani，Yuta Shibahara，Shinji Koganezawa，Renguo Lu，Norio Tagawa，TOF-SIMS analysis of accumulated PFPE lubricant smear following laser heating, the ASME-JSME 2018 Joint International Conference on Information Storage and Processing Systems and Micromechatronics for Information and Precision Equipment, San Francisco, USA, 2018.8
- Norio Tagawa，Hiroshi Tani，Yuki Uesaraie，Shinji Koganezawa，Renguo Lu，Study of lubricant depletion induced by pulsed-laser irradiation heating in heat-assisted magnetic recording, the ASME-JSME 2018 Joint International Conference on Information Storage and Processing Systems and Micromechatronics for Information and Precision Equipment, San Francisco, USA, 2018.8
- Norio Tagawa，Hiroshi Tani，Shinji Koganezawa，Renguo Lu，Nanoscale wear of carbon overcoat subjected to laser heating in an inert gas environment, The 7th International Conference on Fracture Fatigue and Wear, Gent University, Belgium, 2018.7
- Shinji Koganezawa, Takahiro Fujiwara, Taiki Usami, Ryo Kawasaka, Renguo Lu, Hiroshi Tani, Norio Tagawa, Insect-sized flapping-flight robot using dry friction–based self-excited vibration, Euspen’s 18th International Conference & Exhibition, Venice, Italy, 2018.6
- H. Tani, Y. Shibahara, R. Lu, S. Koganezawa, N. Tagawa, Molecularly structural change of PFPE lubricant accumulated on pin surface at laser heating, IEEE International Magnetics Conference 2018, Singapore, 2018.5
- Hiroshi Tani, Renguo Lu, Shinji Koganezawa, Norio Tagawa, Adsorption properties of an ultrathin PFPE lubricant with ionic end-groups for DLC surfaces, The Eighth Advanced Forum on Tribology, Zhenjiang, China, 2017.9
- Renguo Lu, Hiroshi Tani, Norio Tagawa, Shinji Koganezawa, A study on tribofilm growth and the friction coefficient microscopy, 6th European COnference on TRIBology (ECOTrib2017), Ljubljana, Slovenia, 2017.6
- Norio Tagawa，Hiroshi Tani，Shinji Koganezawa，Renguo Lu，Effect of laser heating on nanoscale wear of DLC thin films in an air environment, the ASME 2017 Conference on Information Storage and Processing Systems, San Francisco, California, USA, 2017.8
- Hiroshi Tani，Norio Tagawa，Shinji Koganezawa，Renguo Lu，Smear growth of siloxane outgas at laser heating, the ASME 2017 Conference on Information Storage and Processing Systems, San Francisco, California, USA, 2017.8
- Hiroshi Tani, Renguo Lu, Shinji Koganezawa, Norio Tagawa, Adsorption properties of an ultrathin PFPE lubricant with ionic end-groups for DLC surfaces, The 28th Magnetic Recording Conference 2017, Tsukuba, Japan, 2017.8
- Renguo Lu，Shigeyuki Mori，Hiroshi Tani，Norio Tagawa，Shinji Koganezawa，In situ micro-FTIR spectroscopic observation on shear-induced molecular orientation of carboxylic acids, World Tribology Congress 2017, Beijing, China, 2017.9
- Sora Shiode，Renguo Lu，Hiroshi Tani，Norio Tagawa，and Shinji Koganezawa，Observation of tribofilm growth and friction coefficient microscopy of tribofilms, World Tribology Congress 2017, Beijing, China, 2017.9
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