Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5502343 | Miniature motor | Kenji Hagiwara, Isao Shibuya | 1996-03-26 |
| 5357159 | Miniature motor | Kenji Hagiwara, Isao Shibuya | 1994-10-18 |
| 5270596 | Miniature D-C motor | Isao Shibuya, Kenji Hagiwara, Kenji Tsuyama | 1993-12-14 |