Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9610629 | Rolling machine and method of rolling gear using the rolling machine | Toshinaka Shinbutsu, Shuichi Amano, Shinya Hasegawa, Hiroshi Sasaki | 2017-04-04 |
| 4377223 | Electro-magnetic clutch control system for automobiles | Ryuzo Sakakiyama | 1983-03-22 |