Issued Patents 2002
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 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 |