Issued Patents All Time
Showing 51–75 of 93 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6864543 | High breakdown voltage CMOS device | Toshiyuki Ohkoda, Takao Myono | 2005-03-08 |
| 6864525 | Charge pump device | Toshiyuki Ohkoda, Takao Myono | 2005-03-08 |
| 6844697 | Motor controller | Ryoso Masaki, Yoshimi Sakurai | 2005-01-18 |
| 6822298 | Large current capacity semiconductor device | Toshiyuki Ohkoda, Takao Myono | 2004-11-23 |
| 6788024 | Position-sensorless motor control method and apparatus | Ryoso Masaki, Takefumi Sawada | 2004-09-07 |
| 6700343 | Motor controller | Ryoso Masaki, Yoshimi Sakurai | 2004-03-02 |
| 6696812 | Control apparatus for electric motor | Ryoso Masaki, Yasuo Morooka, Mitsuyuki Hombu, Hiroshi Katayama | 2004-02-24 |
| 6555988 | Motor control device | Ryoso Masaki, Sanshiro Obara, Mitsuyuki Hombu, Yoshimi Sakurai | 2003-04-29 |
| 6501243 | Synchronous motor-control apparatus and vehicle using the control apparatus | Ryoso Masaki, Yasuo Morooka | 2002-12-31 |
| 6456030 | Synchronous motor control device, electric motor vehicle control device and method of controlling synchronous motor | Ryoso Masaki | 2002-09-24 |
| 6422894 | Connector fitting detection construction | Takayoshi Endo, Akira Maeda | 2002-07-23 |
| 6320349 | Method of estimating field pole position of synchronous motor, motor controller, and electric vehicle | Ryoso Masaki, Yuusuke Takamoto, Taizou Miyazaki, Sanshiro Obara | 2001-11-20 |
| 6281656 | Synchronous motor control device electric motor vehicle control device and method of controlling synchronous motor | Ryoso Masaki | 2001-08-28 |
| 6242882 | Motor control apparatus | Ryozo Masaki | 2001-06-05 |
| 6234930 | Transmission and vehicle using same | Yutaka Matsunobu, Ryoso Masaki | 2001-05-22 |
| 6231359 | Electrical connector capable of generating repelling and drawing forces between parts | Shigemitsu Inaba, Toshiharu Kudo | 2001-05-15 |
| 6225774 | Motor control method and motor control system | Ryozo Masaki, Yoshitaka Iwaji | 2001-05-01 |
| 6213792 | Connector fitting structure | Masanori Tsuji, Osamu Sugiyama | 2001-04-10 |
| 6198256 | Control apparatus for a synchronous generator system and a hybrid-type electric vehicle using it | Taizou Miyazaki, Ryoso Masaki, Kazuyoshi Sasazawa, Sanshiro Obara, Nobunori Matsudaira | 2001-03-06 |
| 6110772 | Semiconductor integrated circuit and manufacturing method thereof | Tadayoshi Takada, Tsuyoshi Takahashi, Yasunari Tagami, Hirotsugu Hata | 2000-08-29 |
| 6095843 | Connector fitting construction | Toru Nagano | 2000-08-01 |
| 6051872 | Semiconductor integration device and fabrication method of the same | Masayuki Kawaguchi, Hirotsugu Hata | 2000-04-18 |
| 6043624 | Motor control method and motor control system | Ryozo Masaki, Yoshitaka Iwaji | 2000-03-28 |
| 6033260 | Shielding-member-containing connector assembly | Masaaki Murata, Masaharu Hirota, Isao Kameyama | 2000-03-07 |
| 6008617 | Motor control device for high frequency AC driven motor | Ryoso Masaki, Sanshiro Obara, Yuusuke Takamoto | 1999-12-28 |