Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5137128 | Magnetic particle type electromagnetic clutch with torque detector | Hideaki Takei, Tsuguyasu Mizoue, Yoshiharu Kobayashi, Masaya Yamada | 1992-08-11 |
| 4871049 | Coupling device of magnetic particle type | — | 1989-10-03 |
| 4856631 | Permanent magnet coupling torque limiter | Kiyohide Okamoto, Masaya Yamada | 1989-08-15 |
| 4664238 | Electromagnetic coupling device | Hiroshi Nishino, Kiyohide Okamoto | 1987-05-12 |
| 4616740 | Magnetic particle type electromagnetic coupling apparatus | Kiyohide Okamoto | 1986-10-14 |
| 4611697 | Electromagnetic powder coupling with cooling fins | Kiyohide Okamoto | 1986-09-16 |