Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5992597 | Multiple disk clutch and method and apparatus for forming clutch drum | Hideyuki Nagai, Yasuhito Ogasawara, Hirotoshi Ohkubo | 1999-11-30 |
| 5934126 | Internally toothed member and method and apparatus for forming the same | Michio Maruki, Osamu Fukukawa, Hideyuki Nagai, Mitsuhiko Ando, Naoji Kato | 1999-08-10 |