Issued Patents All Time
Showing 51–65 of 65 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5648692 | Stator yoke and method of producing same | Kazuyuki Watanabe, Hirofumi Nakano, Masakuni Kamiya, Kazutaka Honma, Akito Suzuki | 1997-07-15 |
| 5535114 | Power converter | Akira Horie, Yoshio Tsutsui, Takeshi Ando, Eiichi Toyota, Syuuji Saitoo | 1996-07-09 |
| 5506765 | Control apparatus of power converter and control apparatus of electric motor vehicle | Kiyoshi Nakata, Tokunosuke Tanamachi, Mutsuhiro Terunuma, Masato Suzuki, Kiyoshi Nakamura +2 more | 1996-04-09 |
| 5461556 | Power converter | Akira Horie, Yoshio Tsutsui, Takeshi Ando, Eiichi Toyota, Syuuji Saitoo | 1995-10-24 |
| 5435136 | Pulse tube heat engine | Yoshihiro Ishizaki | 1995-07-25 |
| 5269147 | Pulse tube refrigerating system | Yoshihiro Ishizaki | 1993-12-14 |
| 5016158 | Parallel multi-inverter system and motor drive system using the same | Toshiaki Okuyama, Kazuaki Tobari, Yuzuru Kubota, Junichi Takahashi | 1991-05-14 |
| 4884184 | Control apparatus for cascaded converter circuit | Toshiaki Okuyama, Mitsugu Matsutake, Junichi Takahashi, Masami Ito | 1989-11-28 |
| 4808903 | Vector control system for induction motors | Toshiaki Okuyama, Takashi Sukegawa, Junichi Takahashi | 1989-02-28 |
| 4764859 | Method and apparatus for controlling circulating-current type cycloconverter | Toshiaki Okuyama | 1988-08-16 |
| 4680526 | Method of controlling inverter-driven induction motor | Toshiaki Okuyama, Noboru Fujimoto, Yuzuru Kubota | 1987-07-14 |
| 4467234 | Armature of rotating machine with means to balance the mutual inductance of adjacent pairs of coils | Kazuo Tahara, Hisaya Sasamoto, Haruo Koharagi, Noriyoshi Takahashi, Akira Takemura | 1984-08-21 |
| 4454460 | D.C. Rotary machine with interpole compensation | Kazuo Tahara, Haruo Koharagi, Hisaya Sasamoto, Seiji Yamashita, Noriyoshi Takahashi | 1984-06-12 |
| 4451752 | Stator of D.C. rotary machine | Kazuo Tahara, Haruo Koharagi, Seizi Yamashita, Noriyoshi Takahashi | 1984-05-29 |
| 4341971 | Armature of electric rotating machine | Kazuo Tohara, Seizi Yamashita, Shoji Motegi, Noriyoshi Takahashi | 1982-07-27 |