IH

Isao Hirai

NT Ntn: 23 patents #54 of 1,364Top 4%
JS Jfe Steel: 1 patents #825 of 1,401Top 60%
📍 Iwata, JP: #40 of 782 inventorsTop 6%
Overall (All Time): #183,356 of 4,157,543Top 5%
23
Patents All Time

Issued Patents All Time

Showing 1–23 of 23 patents

Patent #TitleCo-InventorsDate
11155161 Motor drive device for automobile and equipped with speed reducer Tomoaki Makino, Yusuke Shibuya 2021-10-26
10207572 Two-motor vehicle drive device Tomoaki Makino, Ryou Yukishima, Hidenori Karasawa 2019-02-19
9797453 Wheel bearing apparatus Takayuki Norimatsu, Hiroaki Itakura, Hironori Imanaka, Syougo Suzuki, Hiroya Kato +2 more 2017-10-24
9534635 Wheel bearing apparatus Takayuki Norimatsu, Hiroaki Itakura, Hironori Imanaka, Syougo Suzuki, Hiroya Kato +2 more 2017-01-03
9168818 Electric vehicle Tetsuya Yamamoto, Wataru Yamada 2015-10-27
8714829 Wheel bearing assembly 2014-05-06
8393974 Driving wheel bearing apparatus Kiyotake Shibata 2013-03-12
8302309 Process for producing bearing device for wheel Kohei Yoshino, Takayasu Takubo, Kazuhiko Yoshida, Kazukuni Hase, Hideto Kimura +2 more 2012-11-06
8240922 Bearing device for wheel Kohei Yoshino, Takayasu Takubo, Akira Fujimura, Takuya Obata 2012-08-14
8215846 Wheel support bearing assembly 2012-07-10
8100775 Driving wheel bearing apparatus Kiyotake Shibata 2012-01-24
8021054 Wheel bearing apparatus for a vehicle Takayasu Takubo, Kiyotake Shibata, Syougo Suzuki 2011-09-20
7950858 Bearing apparatus for a wheel of vehicle Takayuki Norimatsu, Akira Fujimura, Shinji Morita 2011-05-31
7942584 Wheel bearing apparatus Takayuki Norimatsu, Kenrou Adachi 2011-05-17
7942585 Wheel bearing apparatus for a vehicle Takayasu Takubo, Kiyotake Shibata, Syougo Suzuki 2011-05-17
7942750 Constant velocity joint Kazuhiko Yoshida 2011-05-17
7891879 Hub wheel of a wheel bearing apparatus and a manufacturing method thereof Takayasu Takubo, Kiyotake Shibata, Syougo Suzuki 2011-02-22
7824106 Bearing device for wheel Takayasu Takubo, Kazuhiko Yoshida 2010-11-02
7776453 Machine element and method for manufacturing thereof Takayasu Takubo, Kazuhiko Yoshida 2010-08-17
7665900 Vehicle wheel bearing apparatus Takayuki Norimatsu, Hiroya Kato, Akira Fujimura, Kikuo Fukada 2010-02-23
7635226 Bearing apparatus for a wheel of vehicle Takayuki Norimatsu, Hiroya Kato, Akira Fujimura, Kikuo Fukada 2009-12-22
7618196 Wheel bearing apparatus Takayuki Norimatsu, Hiroya Kato, Akira Fujimura, Kikuo Fukada 2009-11-17
7452136 Bearing apparatus for a wheel of vehicle Takayasu Takubo, Kazuhiko Yoshida 2008-11-18