Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7075266 | Apparatus for controlling an a. c. motor | Kazuaki Tobari, Yoshitaka Iwaji, Hidefumi Shirahama, Yasuo Notohara | 2006-07-11 |
| 6462492 | Position-sensorless controlling method of synchronous motor | Kiyoshi Sakamoto, Naohiko Takahashi, Haruo Miura | 2002-10-08 |
| 6441523 | Very high permanent magnet type electric rotating machine system | Haruo Koharagi, Tsukasa Taniguchi, Kouki Yamamoto, Satoshi Kikuchi, Miyoshi Takahashi +2 more | 2002-08-27 |
| 6396229 | Method of estimating a rotor position of synchronous motor, method of controlling synchronous motor with no position sensor and a controller of synchronous motor | Kiyoshi Sakamoto, Naohiko Takahashi, Haruo Miura, Hiroshi Fujii | 2002-05-28 |