| 7158521 |
Synchronization system and synchronization method of multisystem control apparatus |
Yuichiro Morita, Kotaro Shimamura, Yoshitaka Takahashi, Takashi Hotta, Kazuhiro Imaie +3 more |
2007-01-02 |
| 6975055 |
Dynamo-electric machine having a rotor with first and second axially or rotationally displaceable field magnets |
Kim Houng Joong |
2005-12-13 |
| 6809561 |
Semiconductor power converting apparatus |
Shuji Katoh, Hiromitsu Sakai, Takashi Ikimi, Tomomichi Ito |
2004-10-26 |
| 6727516 |
Semiconductor power conversion apparatus |
Shuji Katoh, Hiromitsu Sakai, Takashi Ikimi, Tomomichi Ito |
2004-04-27 |
| 6717177 |
Semiconductor power conversion apparatus |
Shuji Katoh, Hiromitsu Sakai, Takashi Ikimi, Tomomichi Ito |
2004-04-06 |
| 6703874 |
Gate driver for MOS control semiconductor devices |
Shuji Katoh, Hiromitsu Sakai, Takashi Ikimi, Tomomichi Ito |
2004-03-09 |
| 6541877 |
Wind power generation system |
Houng Joong Kim |
2003-04-01 |
| 6490182 |
Power conversion apparatus |
Shuji Katoh, Hiromitsu Sakai, Tomomichi Ito, Hidetoshi Aizawa |
2002-12-03 |
| 6452261 |
Flat semiconductor device and power converter employing the same |
Hironori Kodama, Masahiro Nagasu, Hirokazu Inoue, Yasuo Osone, Kazuji Yamada |
2002-09-17 |
| 6389041 |
Synchronization system and synchronization method of multisystem control apparatus |
Yuichiro Morita, Kotaro Shimamura, Yoshitaka Takahashi, Takashi Hotta, Kazuhiro Imaie +3 more |
2002-05-14 |
| 6304468 |
Phase synchronization system for connecting a power converter to a power distribution system |
Masaya Ichinose, Motoo Futami, Kazuo Suzuki, Akira Maekawa, Yasuhiro Kiyofuji |
2001-10-16 |
| 6038683 |
Replicated controller and fault recovery method thereof |
Kotaro Shimamura, Yuuichiro Morita, Yoshitaka Takahashi, Takashi Hotta, Hiroyasu Satou +3 more |
2000-03-14 |
| 5298848 |
Large capacity variable speed PWM spatial vector type sub-harmonic system for driving AC electric motor |
Takashi Ikimi, Mitsuyuki Hombu, Noboru Ogawa, Yorito Jifuku, Kenzo Kamiyama |
1994-03-29 |
| 4965504 |
Control apparatus for inverter for driving AC motor |
Kazuo Honda, Takashi Ikimi, Toshihiko Matsuda, Hiroshi Nagase, Nobuyoshi Mutoh |
1990-10-23 |
| 4926306 |
Electric power converter |
Mitsuyuki Hombu, Kazuo Honda, Daisaku Morinaga |
1990-05-15 |
| 4829416 |
Apparatus for controlling power transducers of the pulse width modulation (PWM) control type |
Hiromi Inaba, Seiya Shima, Sadao Hokari, Toshimitsu Tobita, Hideaki Takahashi |
1989-05-09 |
| 4787021 |
Current-type converter apparatus |
Sadao Hokari, Kiyoshi Nakamura, Katsu Komuro, Takeki Ando, Hiromi Inaba |
1988-11-22 |
| 4779709 |
Apparatus for controlling AC elevators |
Nobuo Mitsui, Yoshio Sakai, Masao Nakazato, Mitsuyuki Honbu, Seiya Shima +5 more |
1988-10-25 |
| 4757436 |
Current-type converter protecting apparatus |
Mitsuyuki Hombu, Takeki Ando, Kazuhiko Sasaki, Kazuo Honda, Hideaki Takahashi |
1988-07-12 |
| 4672520 |
Current-source power converting apparatus with self-extinction devices |
Mitsuyuki Hombu, Kazuo Honda, Akiteru Ueda, Katsunori Suzuki, Seiya Shima |
1987-06-09 |
| 4599685 |
Control circuit for power converter apparatus |
Mitsuyuki Hombu, Katsunori Suzuki, Yasuo Matsuda |
1986-07-08 |
| 4581693 |
Apparatus for repeatedly applying short-circuit pulses to a current type inverter for output current control |
Mitsuyuki Hombu, Yasuo Matsuda |
1986-04-08 |
| 4549259 |
Gate control circuit for current-type inverter apparatus |
Mitsuyuki Hombu, Yasuo Matsuda |
1985-10-22 |