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Dive into the research topics where Koichi Otsuka is active.

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Featured researches published by Koichi Otsuka.


Transactions of the Japan Society of Mechanical Engineers. C | 2008

Experimental Study on the Thrust-Radial Coupled Porous Bearings with Hydrodynamic Shape Forming (Experimental Research of the Floatation and Shaft-Whirling Characteristics of Thrust-Radial Coupled Porous Bearings with Hydrodynamic Shape Forming on the End or the Annular Surfaces)

Shigeru Ohtsuka; Masaki Yakabe; Koichi Otsuka; Takeshi Yanase


Transactions of the Japan Society of Mechanical Engineers. C | 2011

Influence of bulk temperature on the friction and wear characteristics of artificial hip joints

Koichi Otsuka; Hidehiko Higaki; Yoshitaka Nakanishi; Shigeru Ohtsuka


The Proceedings of Conference of Chugoku-Shikoku Branch | 2018

Study on temperature rise induced by frictional heat in the sliding portion of artificial joints: (Prediction of temperature by a centralized heat capacity model)

Naoto Kuramasu; Koichi Otsuka; Hidehiko Higaki


Transactions of the JSME (in Japanese) | 2017

Temperature behavior of sliding portions in the wear test of artificial joint materials using a joint simulator and its influence

Koichi Otsuka; Katsuhiro Hiragi; Hidehiko Higaki


The Proceedings of Conference of Chugoku-Shikoku Branch | 2017

Estimation of Contact Pressure between artificial joint materials by an analysis model based on Galin's theorem

Koichi Otsuka; Takateru Miyamoto; Katsuhiro Hiragi


The Proceedings of Conference of Chugoku-Shikoku Branch | 2017

Study on temperature rise induced by frictional heat in the sliding portion of artificial joints

Koichi Otsuka; Norihiro Takeda; Katsuhiro Hiragi; Hidehiko Higaki


The Proceedings of Conference of Chugoku-Shikoku Branch | 2016

1014 Influence of temperature on the adsorption characteristics of serum proteins to metal surface of artificial joints

Katsuhiro Hiragi; Koichi Otsuka; Keisuke Hara


The Proceedings of Conference of Chugoku-Shikoku Branch | 2015

313 Influence of serum exchange velocity in the wear test of artificial hip joint

Katsuhiro Hiragi; Kazuki Matsubara; Koichi Otsuka; Hidehiko Higaki; Yoshitaka Nakanishi


The Proceedings of Conference of Chugoku-Shikoku Branch | 2014

307 Study on the bulk temperature of artificial hip joint with a hip joint simulator

Kazuaki Nishio; Sigeki Aimi; Gaku Iwata; Koichi Otsuka; Hidehiko Higaki; Yoshitaka Nakanishi


The Proceedings of Conference of Chugoku-Shikoku Branch | 2013

502 Influence of bulk temperature rise in the wear test of artificial hip joint with a joint simulator

Oki Matsubara; Gaku Iwata; Masashi Atarashi; Koichi Otsuka; Hidehiko Higaki; Yoshitaka Nakanishi

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Takatoshi Umeno

Fukuoka University of Education

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Yukihide Iwamoto

Memorial Sloan Kettering Cancer Center

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