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Patent applications and USPTO patent grants for Shima; Seiya.The latest application filed is for "method and apparatus for controlling power converter".
Patent | Date |
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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 |
Apparatus for controlling power transducers of the pulse width modulation (PWM) control type Grant 4,829,416 - Inaba , et al. May 9, 1 | 1989-05-09 |
Apparatus for compensating reactive power by current-source type converter Grant 4,780,660 - Shima , et al. October 25, 1 | 1988-10-25 |
Current-source power converting apparatus with self-extinction devices Grant 4,672,520 - Ueda , et al. June 9, 1 | 1987-06-09 |
dv/dt Protection circuit device for an AC-DC converter apparatus Grant 4,636,932 - Kurosawa , et al. January 13, 1 | 1987-01-13 |
Controller for elevator Grant 4,553,640 - Inaba , et al. November 19, 1 | 1985-11-19 |
AC Elevator control system Grant 4,441,584 - Mitsui , et al. April 10, 1 | 1984-04-10 |
Method and apparatus for detecting elevator car position Grant 4,387,436 - Katayama , et al. June 7, 1 | 1983-06-07 |
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 |
Control apparatus for DC motor Grant 4,099,111 - Inaba , et al. July 4, 1 | 1978-07-04 |
Device For Controlling Speed Of Dc Motor Grant 3,826,961 - Hayase , et al. July 30, 1 | 1974-07-30 |
Dc Motor Control System Grant 3,811,079 - Tashiro , et al. May 14, 1 | 1974-05-14 |
Speed Pattern Generator For Elevator Control System Grant 3,670,851 - Shima June 20, 1 | 1972-06-20 |
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