Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7848832 | Alignment apparatus | Takehiko Komiya, Toshiyuki Osuga | 2010-12-07 |
| 7348749 | Control device for synchronous motor | Kozo Ide, Mitsujiro Sawamura, Jun Oyama | 2008-03-25 |
| 6351397 | Protection apparatus and protection method of PWM cycloconverter | Xiaorong Xia, Sadao Ishii, Eiji Yamamoto, Hidenori Hara | 2002-02-26 |
| 6058032 | Multiplex pulse-width modulation power converter | Katsutoshi Yamanaka, Eijiro Tajima | 2000-05-02 |
| 5969966 | Power converting apparatus and method using a multiple three-phase PWM cycloconverter system | Tsuneo Kume, Koichi Hirano | 1999-10-19 |
| 5835371 | Bridge type power converter | Tsuneo Kume, Sumitoshi Sonoda, Kenji Yamada | 1998-11-10 |
| 5801509 | Method of starting a permanent-magnet synchronous motor equipped with angular position detector and apparatus for controlling such motor | Sumitoshi Sonoda, Syuuichi Fujii, Eiji Yamamoto | 1998-09-01 |
| 4916376 | Inverter driving method for induction motors | Tuneo Kume, Masanobu Miyazato, Mitsujiro Sawamura, Michihiko Zenke | 1990-04-10 |