Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D304169 | Electric motor | Masakazu Ikegami, Hajime Sato | 1989-10-24 |
| 4806811 | Miniature motor | Etsuo Mayumi, Mitsu Kase | 1989-02-21 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D304169 | Electric motor | Masakazu Ikegami, Hajime Sato | 1989-10-24 |
| 4806811 | Miniature motor | Etsuo Mayumi, Mitsu Kase | 1989-02-21 |