Issued Patents All Time
Showing 1–15 of 15 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5689147 | Brushless motor | Masanobu Chuta, Tetsuya Tsuji | 1997-11-18 |
| 5554916 | Method of starting a sensorless motor | Kohei Yonemura | 1996-09-10 |
| 5521472 | Multiphase DC motor and starting method thereof | Shiming Tang, Hisashi Yamamoto | 1996-05-28 |
| 5428284 | Method of and circuit for starting sensorless motor | Kouhei Yonemura, Akihiro Okubo | 1995-06-27 |
| 5396159 | Method of starting a motor | — | 1995-03-07 |
| 5357160 | IC controlled DC motor | Kohei Yonemura, Sandro Cerato, Carlo C. De Martiis | 1994-10-18 |
| 5355043 | Brushless polyphase DC motor | — | 1994-10-11 |
| 5323094 | Method of starting a sensorless multiphase dc motor | Hiromasa Fujii | 1994-06-21 |
| 5235264 | Method of and circuit for starting sensorless motor | Kouhei Yonemura, Akihiro Okubo | 1993-08-10 |
| 4529914 | High intensity discharge lamp ignition system | — | 1985-07-16 |
| 4484107 | Discharge lamp lighting device and system | — | 1984-11-20 |
| 4376911 | Circuit system for lighting a discharge lamp or lamps | — | 1983-03-15 |
| 4353011 | Hot cathode discharge lamp lighting device | — | 1982-10-05 |
| 4306177 | Discharge lamp lighting device with a delayed-output oscillation circuit | — | 1981-12-15 |
| 4238708 | Discharge lamp operating system | — | 1980-12-09 |