Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5091667 | D.C. machine of type having permanent magnets with auxiliary poles | — | 1992-02-25 |
| 5089737 | DC rotary electric machine of permanent magnet field type | Toshimi Abukawa, Kazuo Tahara, Noriyoshi Takahashi | 1992-02-18 |
| 4896066 | Laminated rotor slot closer | — | 1990-01-23 |
| 4833769 | Method of manufacturing armature of electric rotary machine | Yasuaki Watanabe | 1989-05-30 |
| 4823037 | DC Electric motor having field poles of permanent magnet | Toshimi Abukawa, Kazuo Tahara, Noriyoshi Takahashi | 1989-04-18 |
| 4794291 | Permanent magnet field DC machine | Toshimi Abukawa, Kazuo Tahara, Noriyoshi Takahashi | 1988-12-27 |
| 4703210 | Miniature electric non-uniform magnetization rotating machine | Toshimi Abukawa, Kazuo Tahara, Noriyoshi Takahashi | 1987-10-27 |