Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5077824 | Direct-current motor control | Kunio Nagata, Masatsugu Yamashita | 1991-12-31 |
| 4934494 | Combined locking mechanism and switch especially for power tools | Fusao Fushiya, Akiharu Hayashi, Michio Okumura, Yukimi Amano, Yasumichi Fukuma | 1990-06-19 |