Issued Patents 1989
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4853568 | Miniature motor | — | 1989-08-01 |
| 4827167 | Miniature motor | Etuo Mayumi, Kunio Hiromasa, Kazuo Okada | 1989-05-02 |
| 4823033 | Miniature motor having coated rubber permanent magnet | Shotaro Hayakawa, Takanobu Lee | 1989-04-18 |