Issued Patents All Time
Showing 1–19 of 19 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7406389 | State detecting system and device employing the same | Akihiko Emori, Akihiko Kudou, Shigeyuki Yoshihara, Hideki Miyazaki, Toshisada Mitsui +1 more | 2008-07-29 |
| 7085661 | State detecting system and device employing the same | Akihiko Emori, Akihiko Kudou, Shigeyuki Yoshihara, Hideki Miyazaki, Toshisada Mitsui +1 more | 2006-08-01 |
| 6914408 | Motor control apparatus and electric vehicle using same | Takefumi Sawada, Satoru Kaneko, Ryoso Masaki, Hiroshi Katayama | 2005-07-05 |
| 6696812 | Control apparatus for electric motor | Satoru Kaneko, Ryoso Masaki, Yasuo Morooka, Hiroshi Katayama | 2004-02-24 |
| 6555988 | Motor control device | Ryoso Masaki, Satoru Kaneko, Sanshiro Obara, Yoshimi Sakurai | 2003-04-29 |
| 6414867 | Power inverter | Osamu Suzuki, Heikichi Kuwabara, Akio Yasukawa, Hirohisa Yamamura, Sanshirou Obara +1 more | 2002-07-02 |
| 5424937 | Gate drive power source for electric power converter | Ryuji Iyotani, Akiteru Ueda, Hiroshi Narita, Hidetoshi Aizawa | 1995-06-13 |
| 5298848 | Large capacity variable speed PWM spatial vector type sub-harmonic system for driving AC electric motor | Shigeta Ueda, Takashi Ikimi, Noboru Ogawa, Yorito Jifuku, Kenzo Kamiyama | 1994-03-29 |
| 5033565 | Motor-driven power steering apparatus | Toshimi Abukawa, Toshiaki Okuyama, Kazuo Tahara, Katsuji Marumoto, Toshiyuki Koterazawa +6 more | 1991-07-23 |
| 4960178 | Motor-driven power steering apparatus | Toshimi Abukawa, Toshiaki Okuyama, Kazuo Tahara, Katsuji Marumoto, Toshiyuki Koterazawa +6 more | 1990-10-02 |
| 4926960 | Electric power steering apparatus for vehicle | Hisatugu Ishikura, Kazuo Tahara, Toshimi Abukawa, Katsuji Marumoto, Toshiyuki Koterazaka +5 more | 1990-05-22 |
| 4926306 | Electric power converter | Shigeta Ueda, Kazuo Honda, Daisaku Morinaga | 1990-05-15 |
| 4875539 | Electric power steering control system | Toshimi Abukawa, Kazuo Tahara, Katsuji Murumoto, Toshiyuki Koterazawa, Tadashi Takahashi +9 more | 1989-10-24 |
| 4870556 | Method and apparatus for controlling power converter | Hiromi Inaba, Seiya Shima, Toshiaki Kurosawa, Toshimitsu Tobita, Nobuo Mitsui | 1989-09-26 |
| 4757436 | Current-type converter protecting apparatus | Shigeta Ueda, Takeki Ando, Kazuhiko Sasaki, Kazuo Honda, Hideaki Takahashi | 1988-07-12 |
| 4672520 | Current-source power converting apparatus with self-extinction devices | Shigeta Ueda, Kazuo Honda, Akiteru Ueda, Katsunori Suzuki, Seiya Shima | 1987-06-09 |
| 4599685 | Control circuit for power converter apparatus | Shigeta Ueda, Katsunori Suzuki, Yasuo Matsuda | 1986-07-08 |
| 4581693 | Apparatus for repeatedly applying short-circuit pulses to a current type inverter for output current control | Shigeta Ueda, Yasuo Matsuda | 1986-04-08 |
| 4549259 | Gate control circuit for current-type inverter apparatus | Shigeta Ueda, Yasuo Matsuda | 1985-10-22 |