HO

Hirofumi Ogata

NK Nsk-Warner K.K.: 11 patents #10 of 206Top 5%
NK Nsk-Warner Kabushiki Kaisha: 1 patents #24 of 62Top 40%
Overall (All Time): #424,192 of 4,157,543Top 15%
12
Patents All Time

Issued Patents All Time

Showing 1–12 of 12 patents

Patent #TitleCo-InventorsDate
8047347 Outer retainer for one-way clutch Hiroki Segawa, Kazuhiko Isobe 2011-11-01
7849989 One-way clutch Kazuhiko Muramatsu 2010-12-14
7357234 Roller type one-way clutch and roller for the roller type one-way clutch Tomonobu Hasebe, Hideharu Ohishi 2008-04-15
7040469 One-way clutch apparatus Hirobumi Shirataki, Hideharu Ohishi 2006-05-09
6755292 End bearing and one-way clutch device Norihiro Yamamoto 2004-06-29
6575275 Ratchet one-way clutch Kazuhiko Muramatsu, Hirobumi Shirataki 2003-06-10
6530464 One-way clutch device Hirobumi Shirataki, Tomoharu Ando 2003-03-11
6435326 End bearings for one-way clutch, manufacturing process thereof, and one-way clutch provided with at least one of such end bearings Hirobumi Shirataki 2002-08-20
5722521 Roller type one-way clutch Toshio Awaji, Yoshio Kinoshita 1998-03-03
5634540 Fixing structure for outer ring in one-way clutch Toshio Awaji 1997-06-03
5476165 Fixing structure for outer ring member in one-way clutch Toshio Awaji 1995-12-19
4960189 Serpentine-shaped sprag retainer of a sprag-synchronized one-way clutch Noboru Kitamura 1990-10-02