Issued Patents All Time
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11236776 | Retainer | Takatoshi Omori | 2022-02-01 |
| D835978 | Nut | — | 2018-12-18 |
| 7559502 | Motor retractor | Takuhiro Saito | 2009-07-14 |
| 6065575 | Wet friction plate, wet power transmitting and interrupting mechanism, wet clutch and lockup clutch | Takeo Shimizu, Takao Fukunaga | 2000-05-23 |
| 5937648 | Gas compression/expansion apparatus | Tatsuya Hirose, Kazuo Ikegami | 1999-08-17 |
| 5918713 | Wet friction plate, wet power transmitting and interrupting mechanism, wet clutch and lockup clutch | Takeo Shimizu, Takao Fukunaga | 1999-07-06 |
| 5513546 | Device for fastening and loosening threaded members | Shinji Fukuhara | 1996-05-07 |
| D360568 | Bolt fastening device | Shinji Fukuhara | 1995-07-25 |
| 5407041 | Lock-up device for torque converter | Takao Fukunaga | 1995-04-18 |
| 4467676 | Bolt tightening device having auxiliary handle | Katsuyuki Ono, Shozo Matsumura | 1984-08-28 |
| D270809 | Power wrench | Katsuyuki Ono | 1983-10-04 |
| 4403529 | Device for fastening bolts | Katsuyuki Ono | 1983-09-13 |