| 5357181 |
Failure detection method for electric vehicles and fail-safe control method using this method |
Nobuyoshi Mutoh, Ryoso Masaki, Sanshiro Obara, Shotaro Naito |
1994-10-18 |
| 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 |
| 4839834 |
Speed detecting apparatus |
Toshihiko Matsuda, Youjirou Miyahara, Kenzo Kamiyama |
1989-06-13 |
| 4814678 |
Speed control apparatus for motor |
Toshihiko Matsuda, Takashi Sukegawa, Masahiro Tobise |
1989-03-21 |
| 4772996 |
Load current detecting device for pulse width modulation inverter |
Hiroyuki Hanei, Takeshi Hanada, Kenji Kubo, Masahiko Watanabe, Toshihiko Matsuda |
1988-09-20 |
| 4753309 |
Electric power steering apparatus |
Katsuji Marumoto |
1988-06-28 |
| 4712052 |
Digital servo-control system |
Sanshiro Obara, Kenji Kubo, Masahiko Watanabe |
1987-12-08 |
| 4580083 |
Chopper controller for a D.C. motor |
Katsuji Marumoto, Shotaro Naito |
1986-04-01 |
| 4468724 |
Method and apparatus for controlling load current |
Toshihiko Matsuda, Makoto Tachikawa |
1984-08-28 |
| 4366420 |
Electromobile control device |
Katsuji Marumoto, Shotaro Naito |
1982-12-28 |
| 4337509 |
Method and apparatus for controlling firing phases of thyristors |
Toshihiko Matsuda |
1982-06-29 |
| 4311556 |
Method and system for inspection of inside of nuclear reactor vessel |
Taro Iwamoto, Shimon Ando, Sho Kusumoto, Toshitaka Suzuki, Masatake Takidera +3 more |
1982-01-19 |
| 4249236 |
Controller for power converter |
Tosihiko Matuta |
1981-02-03 |
| 4211961 |
Control circuit for use in control of current supply for electric motor with improved duty controlling oscillator circuit, particularly for electrical vehicle |
Katsuji Marumoto |
1980-07-08 |
| 4207478 |
DC Chopper device |
Katsuji Marumoto, Schigeru Kuriyama |
1980-06-10 |