ET

Eiji Tajima

NT Ntn: 39 patents #12 of 1,364Top 1%
HI Hitachi: 1 patents #17,742 of 28,497Top 65%
Overall (All Time): #79,993 of 4,157,543Top 2%
40
Patents All Time

Issued Patents All Time

Showing 25 most recent of 40 patents

Patent #TitleCo-InventorsDate
8678662 Drive wheel bearing device Hisashi Ohtsuki, Akira Torii, Motoharu Niki 2014-03-25
8261447 Method for manufacturing a drive wheel bearing device Hisashi Ohtsuki, Akira Torii, Motoharu Niki 2012-09-11
8007366 Wheel bearing device Hiroyuki Ogura, Syougo Suzuki, Shigeaki Fukushima, Mitsuru Umekida, Akira Torii +2 more 2011-08-30
7832939 Bearing apparatus for a wheel Mitsuru Umekida, Kazunari Yamamoto, Hiroyuki Ogura, Shigeaki Fukushima, Masahiro Ozawa 2010-11-16
7465233 Wheel bearing device Hiroyuki Ogura, Syougo Suzuki, Shigeaki Fukushima, Mitsuru Umekida, Akira Torii +2 more 2008-12-16
7362023 Rotation detecting device and wheel support bearing assembly utilizing the same Masatoshi Mizutani, Hisashi Ohtsuki, Takayuki Norimatsu, Koichi Okada, Toru Takahashi +2 more 2008-04-22
7267490 Bearing apparatus for a driving wheel of vehicle Masahiro Ozawa, Mitsuru Umekida, Hiroyuki Ogura 2007-09-11
7232374 Wheel bearing device Hiroyuki Ogura, Syougo Suzuki, Shigeaki Fukushima, Mitsuru Umekida, Akira Torii +2 more 2007-06-19
7138740 Rotation detecting device and wheel support bearing assembly utilizing the same Masatoshi Mizutani, Hisashi Ohtsuki, Takayuki Norimatsu, Koichi Okada, Toru Takahashi +2 more 2006-11-21
7084537 Rotation detecting device and wheel support bearing assembly utilizing the same Masatoshi Mizutani, Hisashi Ohtsuki, Takayuki Norimatsu, Koichi Okada, Toru Takahashi +2 more 2006-08-01
7011451 Rotating speed sensor unit and wheel bearing assembly carrying the same Hisashi Ohtsuki, Akio Sakaguchi, Koji Kametaka 2006-03-14
6969201 Wheel bearing device 2005-11-29
6959789 Wheel bearing assembly Akira Torii, Shigeaki Fukushima 2005-11-01
6959493 Brake rotor and wheel bearing assembly having maximum acceptable runout variation Shigeaki Fukushima, Akira Torii, Kazuhiro Azuma, Naoshi Kinpara, Hisashi Ohtsuki +3 more 2005-11-01
6955475 Bearing apparatus for a driving wheel of vehicle Masahiro Ozawa, Mitsuru Umekida, Hiroyuki Ogura 2005-10-18
6892587 Rotation detecting device and wheel support bearing assembly utilizing the same Masatoshi Mizutani, Hisashi Ohtsuki, Takayuki Norimatsu, Koichi Okada, Toru Takahashi +2 more 2005-05-17
6780114 Drive wheel bearing assembly Koji Sahashi, Kazuhiko Hozumi, Keisuke Sone, Masahiro Ozawa, Akira Torii +4 more 2004-08-24
6739977 Wheel bearing device Hiroyuki Ogura, Syougo Suzuki, Shigeaki Fukushima, Mitsuru Umekida, Akira Torii +2 more 2004-05-25
6729769 Tire wheel bearing apparatus Koji Sahashi, Motoharu Niki, Akira Torii, Kazuhiko Hozumi, Keisuke Sone +5 more 2004-05-04
6715926 Wheel bearing assembly Akira Torii, Masuo Takaki 2004-04-06
6669373 Sealing device for a bearing Hisashi Ohtsuki, Shougo Suzuki 2003-12-30
6666303 Wheel bearing assembly Akira Torii, Shigeaki Fukushima 2003-12-23
6637944 Tire wheel bearing apparatus Koji Sahashi, Motoharu Niki, Akira Torii, Kazuhiko Hozumi, Keisuke Sone +5 more 2003-10-28
6626580 Wheel bearing assembly Kazuhiro Azuma, Naoshi Kinpara 2003-09-30
6588935 Wheel bearing assembly Akira Torii 2003-07-08