Issued Patents All Time
Showing 1–14 of 14 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4745320 | Induction motor | Kosei Nakamura, Yoshiyuki Hayashi, Shigeru Koyoshida | 1988-05-17 |
| 4580471 | Motor-incorporated spindle head unit | Kosei Nakamura, Yoshikazu Takano, Takashi Yoshida | 1986-04-08 |
| 4485320 | Welded stator using non-magnetic bars in specially shaped lamination slots | Shigeki Kawada, Kousei Nakamura, Jiro Nakano | 1984-11-27 |
| 4465948 | Device for cooling a reversible motor | Kosei Nakamura, Yoshiyuki Hayashi, Shigeru Koyoshida | 1984-08-14 |
| 4439703 | Direct current motor | Yoshinori Kohzai | 1984-03-27 |
| 4406959 | Rotary electric motor | Keiichi Harano, Shigeki Kawada | 1983-09-27 |
| 4374337 | Direct current motor having E-shaped interpoles | Yoshinori Kohzai, Tatsuo Koyama | 1983-02-15 |
| 4338535 | Direct current motor having E-shaped interpoles | Yoshinori Kohzai, Yukio Katsuzawa | 1982-07-06 |
| 4307312 | Direct current motor having E-shaped interpoles | Yoshinori Kohzai | 1981-12-22 |
| 4268781 | DC Motor drive system | Shigeki Kawada, Yoshiki Fujioka, Mitsuhiko Hirota, Toyohiko Nishimori | 1981-05-19 |
| 4240000 | Rotary electric machine with a heat pipe for cooling | Keiichi Harano | 1980-12-16 |
| 4220882 | Direct current motor | Yoshinori Kohzai | 1980-09-02 |
| 4217513 | Direct current motor | Yoshinori Kohzai | 1980-08-12 |
| 4181875 | Drive circuit for a DC motor | Yoshinori Kohzai, Shigeki Kawada | 1980-01-01 |