Kurosawa; Toshiaki
Patent Applications and Registrations
Patent applications and USPTO patent grants for Kurosawa; Toshiaki.The latest application filed is for "elevator system".
- Kurosawa; Toshiaki - Katsuta JP
- Kurosawa; Toshiaki - Ibaraki JP
| Patent | Date |
|---|---|
| Elevator system Grant 5,389,749 - Hokari , et al. February 14, 1 | 1995-02-14 |
| Current source power converting apparatus with overvoltage protection Grant 4,884,182 - Ando , et al. November 28, 1 | 1989-11-28 |
| Method and apparatus for controlling power converter Grant 4,870,556 - Inaba , et al. September 26, 1 | 1989-09-26 |
| PWM control for power converter system utilizing pulse dropping at minimum pulse widths Grant 4,833,586 - Inaba , et al. May 23, 1 | 1989-05-23 |
| dv/dt Protection circuit device for an AC-DC converter apparatus Grant 4,636,932 - Kurosawa , et al. January 13, 1 | 1987-01-13 |
| Elevator control apparatus Grant 4,629,034 - Inaba , et al. December 16, 1 | 1986-12-16 |
| AC-to-DC power converter with improved power factor and overvoltage suppression Grant 4,584,636 - Ando , et al. April 22, 1 | 1986-04-22 |
| Controller for elevator Grant 4,553,640 - Inaba , et al. November 19, 1 | 1985-11-19 |
| Power converter apparatus Grant 4,361,866 - Shima , et al. November 30, 1 | 1982-11-30 |
| Speed control system for a motor Grant 4,263,988 - Inaba , et al. April 28, 1 | 1981-04-28 |
| Over-speed preventing apparatus for DC motor Grant 4,031,439 - Sakai , et al. June 21, 1 | 1977-06-21 |
| Device For Controlling Speed Of Dc Motor Grant 3,826,961 - Hayase , et al. July 30, 1 | 1974-07-30 |
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