Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11293476 | Dual-threaded screw structure and fastening structure therewith | Toshinaka Shinbutsu, Shuichi Amano | 2022-04-05 |
| 10519995 | Dual-threaded screw structure | Toshinaka Shinbutsu, Shuichi Amano | 2019-12-31 |
| D814283 | Bolt | Toshinaka Shinbutsu, Suichi Amano | 2018-04-03 |
| 7159429 | Method and device for manufacturing bolt, screw rolling die used therefor, and multiple screw bolt | Hiroshi Miyahara | 2007-01-09 |