Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6892600 | Changing system in manual transmission | Yasushi Onuma, Kiyokazu Okubo, Atsuhiro Sakai, Takayuki Yakou | 2005-05-17 |
| 6725738 | Gear shift apparatus for manual transmission | Kiyokazu Okubo, Takayuki Yakou, Yasushi Onuma, Kazufumi Hosoda | 2004-04-27 |
| 5527229 | Planetary differential gear system provided with a differential action limiting mechanism | Sunao Ishihara, Takahito Takekawa, Hiroshi Wakui | 1996-06-18 |
| 5331863 | Manual Transmission for vehicle | Shogo Kobayashi, Shinji Fujimoto, Hideo Udoh | 1994-07-26 |
| 5158152 | System for lubricating transmission for vehicle | Kiyokazu Okubo, Sunao Ishihara, Takahito Takekawa | 1992-10-27 |
| 5123512 | Automatic wear adjustment multiple-disk clutch apparatus | Kiyokazu Okubo, Shizuo Ishikura, Sunao Ishihara, Takahito Takekawa | 1992-06-23 |