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name:-0.00089097023010254
name:-0.01988697052002
name:-0.001345157623291
Shima; Seiya Patent Filings

Shima; Seiya

Patent Applications and Registrations

Patent applications and USPTO patent grants for Shima; Seiya.The latest application filed is for "method and apparatus for controlling power converter".

Company Profile
0.15.0
  • Shima; Seiya - Katsuta JP
  • Shima; Seiya - Ibaraki JP
*profile and listings may contain filings by different individuals or companies with the same name. Review application materials to confirm ownership/assignment.
Patent Activity
PatentDate
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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