Issued Patents 1989
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4876472 | Five-phase dc motor with non-overlapping armature windings | Norimitsu Hirano | 1989-10-24 |
| 4861237 | Axial-flow fan apparatus | Kazuhito Egami | 1989-08-29 |
| 4836631 | Laser scanning motor having a rotating polygonal mirror and method of manufacturing the same | Kikuo Shimazu, Kazuo Suzuki, Osami Miyao | 1989-06-06 |
| 4804873 | Unidirectional brushless motor | Osami Miyao | 1989-02-14 |