Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6235074 | Process of recovering copper from winding | Fumitoshi Yamashita, Hiroshi Onishi, Yoshikazu Yamagata, Takahiko Terada | 2001-05-22 |
| 5927861 | Motor assembly having ion implantation on sliding surfaces | Fumitoshi Yamashita, Seiji Kurozumi, Kazunori Hayashi, Kanao Fukuda, Masato Inayoshi | 1999-07-27 |
| 5438448 | Turning mirror and method of manufacture | Tomoko Nishimura, Tomiaki Sakano | 1995-08-01 |
| 4748865 | Device for absorbing impulsive torque in motor with worm gear | Norio Umezawa, Yohji Maki | 1988-06-07 |