KO

Kiyoshi Okubo

Nsk: 27 patents #23 of 1,559Top 2%
NC Nippon Seiko Co.: 1 patents #121 of 315Top 40%
📍 Maebashi, JP: #11 of 470 inventorsTop 3%
Overall (All Time): #140,022 of 4,157,543Top 4%
28
Patents All Time

Issued Patents All Time

Showing 1–25 of 28 patents

Patent #TitleCo-InventorsDate
RE39647 Disk for toroidal type continuously variable transmission Akira Tsubouchi, Takashi Imanishi, Nobuo Gotou 2007-05-22
7104893 Wheel drive unit Hideo Ouchi, Takeo Ohkuma 2006-09-12
7069764 Method for manufacturing a hollow rack shaft Akira Tsubouchi, Yasushi Watanabe 2006-07-04
6959676 Sheet metal rocker arm, manufacturing method thereof, cam follower with said rocker arm, and assembling method thereof Shoichi Abe, Satoshi Kadokawa, Hiroshi Iwasa 2005-11-01
6898853 Method for manufacturing a hollow rack shaft Akira Tsubouchi, Yasushi Watanabe 2005-05-31
6845560 Method for manufacturing a hollow rack shaft Akira Tsubouchi, Yasushi Watanabe 2005-01-25
6782598 Method of manufacturing hollow rack shaft Akira Tsubouchi, Yasushi Watanabe 2004-08-31
6782772 Hollow rack shaft and manufacturing method thereof Akira Tsubouchi, Yasushi Watanabe 2004-08-31
6779271 Method for manufacturing a hollow rack shaft Akira Tsubouchi, Yasushi Watanabe 2004-08-24
6763739 Hollow rack shaft and manufacturing method thereof Akira Tsubouchi, Yasushi Watanabe 2004-07-20
6672266 Sheet metal rocker arm, manufacturing method thereof, cam follower with said rocker arm, and assembling method thereof Shoichi Abe, Satoshi Kadokawa, Hiroshi Iwasa 2004-01-06
6601555 Sheet metal rocker arm, manufacturing method thereof, cam follower with said rocker arm, and assembling method thereof Shoichi Abe, Satoshi Kadokawa, Hiroshi Iwasa 2003-08-05
6588293 Hollow rack shaft Akira Tsubouchi, Yasushi Watanabe 2003-07-08
6588101 Sheet metal rocker arm, manufacturing method thereof, cam follower with said rocker arm, and assembling method thereof Shoichi Abe, Satoshi Kadokawa, Hiroshi Iwasa 2003-07-08
6520888 Loading cam apparatus for toroidal type continuously variable transmission Hiroyuki Itoh, Nobuo Goto, Makoto Fujinami, Hiroshi Kato 2003-02-18
6508215 Sheet metal rocker arm, manufacturing method thereof, cam follower with said rocker arm, and assembling method thereof Shoichi Abe, Satoshi Kadokawa, Hiroshi Iwasa 2003-01-21
6468180 Toroidal type continuously variable transmission and method of manufacturing disk for toroidal type continuously variable transmission Nobuo Gotou, Takashi Imanishi, Takehiko Yumoto 2002-10-22
6442992 Hollow rack shaft and method of manufacturing the same Akira Tsubouchi, Yasushi Watanabe 2002-09-03
6334416 Sheet metal rocker arm, manufacturing method thereof, cam follower with said rocker arm, and assembling method thereof Shoichi Abe, Satoshi Kadokawa, Hiroshi Iwasa 2002-01-01
6199527 Sheet metal rocker arm, manufacturing method thereof, cam follower with said rocker arm, and assembling method thereof Shoichi Abe, Satoshi Kadokawa, Hiroshi Iwasa 2001-03-13
6176806 Cam disk for toroidal type continuously variable transmission Hiroyuki Itoh, Nobuaki Mitamura, Nobuo Goto, Makoto Fujinami, Hiroshi Kato +1 more 2001-01-23
6113514 Disk for toroidal type continuously variable transmission Akira Tsubouchi, Takashi Imanishi, Nobuo Gotou 2000-09-05
6049964 Method of making a yoke for universal joint Yasushi Watanabe 2000-04-18
6022047 Universal joint and a yoke therefor for a steering apparatus 2000-02-08
5845394 Method of manufacturing a yoke for an elastic universal joint Shouichi Abe 1998-12-08