Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4977358 | Switching circuit for varying rotational speed of motor | Fusao Fushiya, Fumiaki Itsuki, Kunio Nagata | 1990-12-11 |
| 4934494 | Combined locking mechanism and switch especially for power tools | Fusao Fushiya, Michio Okumura, Yukimi Amano, Yasumichi Fukuma, Shinya Hamazaki | 1990-06-19 |