Issued Patents 2002
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6462492 | Position-sensorless controlling method of synchronous motor | Kiyoshi Sakamoto, Tsunehiro Endou, Naohiko Takahashi | 2002-10-08 |
| 6441523 | Very high permanent magnet type electric rotating machine system | Haruo Koharagi, Tsunehiro Endou, Tsukasa Taniguchi, Kouki Yamamoto, Satoshi Kikuchi +2 more | 2002-08-27 |
| 6435822 | Labyrinth sealing device, and fluid machine providing the same | Hiromi Kobayashi, Hideo Nishida, Takashi Eino, Kazuki Takahashi | 2002-08-20 |
| 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, Tsunehiro Endou, Naohiko Takahashi, Hiroshi Fujii | 2002-05-28 |
| 6376958 | Permanent magnet type synchronous motor and air compressor | Haruo Koharagi, Tsukasa Taniguchi, Kouki Yamamoto, Satoshi Kikuchi, Miyoshi Takahashi +2 more | 2002-04-23 |
| 6369478 | Permanent-magnet-type electric rotating machine and air compressor and generator using the same | Haruo Koharagi, Tsukasa Taniguchi, Miyoshi Takahashi, Shinichi Wakui, Yasuo Fukushima +1 more | 2002-04-09 |