Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6033496 | High fatigue strength gear | Toshio Hisano, Mikio Kubo, Katsuhiro Kubo | 2000-03-07 |
| 4955353 | Piston for internal combustion engine | Kazumitsu Kushida, Koji Nakajima, Hitoshi Yamamoto | 1990-09-11 |
| 4781660 | V-pulley for a continuously variable transmission | Mikio Kubo, Yoshitoshi Hagiwara | 1988-11-01 |