Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6769522 | Fluid-type torque transmission device with lockup clutch | Takeshi Kawamoto, Shinji Fujimoto, Hideki Tanishiki, Hajime Yoshida | 2004-08-03 |
| 6419065 | Multi-disk clutch and method of manufacturing a core plate of a multi-disk clutch | — | 2002-07-16 |
| 6155250 | Heat gathering device having a reflection plate assembly | Heiji Fukutake | 2000-12-05 |
| 5918497 | Metalworking method wherein formed configuration locates blank | — | 1999-07-06 |
| 4642871 | Manufacturing method of a clutch cover assembly | Mamoru Ookubo, Takayuki Iwasaki | 1987-02-17 |
| 4631795 | Manufacturing device of a clutch cover assembly | Mamoru Ookubo, Takayuki Iwasaki | 1986-12-30 |