Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6033496 | High fatigue strength gear | Atsushi Amataka, Mikio Kubo, Katsuhiro Kubo | 2000-03-07 |
| 5685525 | Carbon fiber reinforced resin coil spring | Takeshi Oguri, Masanobu Wakita, Masahito Yamauchi, Yoshiyuki Takezawa, Masahiro Arai | 1997-11-11 |