Issued Patents All Time
Showing 1–13 of 13 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11990759 | Power management system | Norihiro TAKAI, Masato Kotake, Seiichi Nakajima | 2024-05-21 |
| 5251507 | Non-circular gear pair | Toshiyuki Takahara | 1993-10-12 |
| 5142937 | Driving apparatus with a speed changer for a bicycle | Toshiyuki Takahara | 1992-09-01 |
| 5080642 | Rotation transmission device with a torque limiting transmission gear mechanism | — | 1992-01-14 |
| 5018400 | Continuously variable traction drive speed changer | — | 1991-05-28 |
| 4969860 | Stepless transmission mechanism | Toshiyuki Takahara | 1990-11-13 |
| 4944718 | Angular velocity modulating device | Toshiyuki Takahara | 1990-07-31 |
| 4912993 | Engine starter | Keiichi Konishi | 1990-04-03 |
| 4909715 | Rotating type intake and discharge apparatus | Toshiyuki Takahara | 1990-03-20 |
| 4872818 | Rotary pump having alternating pistons controlled by non-circular gears | — | 1989-10-10 |
| 4765195 | Stepless transmission mechanism | — | 1988-08-23 |
| 4685348 | Gear transmission | — | 1987-08-11 |
| 4535737 | Centrifugal spark-advance controlling device | — | 1985-08-20 |