Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5615479 | Method of manufacturing a spherical annular seal | Takashi Maeda, Takeshi Furukido, Kousaku Hoshino, Satoru Udo | 1997-04-01 |
| 5462291 | Spherical annular seal with outer sliding layer | Takashi Maeda, Takeshi Furukido, Kousaku Hoshino, Satoru Udo | 1995-10-31 |
| 4551393 | Heat-resistant shift member | Kikuo Sumiyoshi, Eiji Sato, Kazuo Hirai, Kingo Miyasaka | 1985-11-05 |
| 4547434 | Heat-resistant shift member | Kikuo Sumiyoshi, Eiji Sato, Masamitsu Kojima, Kingo Miyasaka | 1985-10-15 |