Okamatsu; Shigetoshi
Patent Applications and Registrations
Patent applications and USPTO patent grants for Okamatsu; Shigetoshi.The latest application filed is for "motor driving system and motor driving method".
- Okamatsu; Shigetoshi - Hitachinaka JP
- Okamatsu; Shigetoshi - Katsuta JP
| Patent | Date |
|---|---|
| Apparatus and method for driving an induction motor Grant 7,906,933 - Tan , et al. March 15, 2 | 2011-03-15 |
| Electric power converter suppressing output voltage variation due to input voltage fluctuation Grant 7,869,232 - Nagata , et al. January 11, 2 | 2011-01-11 |
| Motor driving system and motor driving method Grant 7,710,053 - Tan , et al. May 4, 2 | 2010-05-04 |
| Motor Driving System And Motor Driving Method App 20080265832 - Tan; Daisuke ; et al. | 2008-10-30 |
| Electric Power Converter Apparatus App 20080088291 - Nagata; Koichiro ; et al. | 2008-04-17 |
| Apparatus And Method For Driving An Induction Motor App 20080007196 - Tan; Daisuke ; et al. | 2008-01-10 |
| Controller of AC machine Grant 6,646,896 - Akita , et al. November 11, 2 | 2003-11-11 |
| Method for calculating inertia moment and driver for electric motor Grant 6,611,125 - Nagata , et al. August 26, 2 | 2003-08-26 |
| Controller of AC machine App 20030043610 - Akita, Yoshitoshi ; et al. | 2003-03-06 |
| Method for calculating inertia moment and driver for electric motor App 20020097018 - Nagata, Koichiro ; et al. | 2002-07-25 |
| Control system for induction motor driven electric car Grant 4,825,131 - Nozaki , et al. April 25, 1 | 1989-04-25 |
| Control system for power converter Grant 4,675,799 - Suzuki , et al. June 23, 1 | 1987-06-23 |
| Guard system for inverter apparatus Grant 4,672,525 - Horie , et al. June 9, 1 | 1987-06-09 |
| Control of induction motor using PWM inverter Grant 4,490,666 - Tanamachi , et al. December 25, 1 | 1984-12-25 |
| Induction motor control system and method Grant 4,338,558 - Okamatsu , et al. July 6, 1 | 1982-07-06 |
| Control system for electric motor vehicle Grant 4,335,337 - Okamatsu , et al. June 15, 1 | 1982-06-15 |
| Control apparatus for electric car Grant 4,327,313 - Tsuboi , et al. April 27, 1 | 1982-04-27 |
| Control system for induction motor-driven car Grant 4,315,203 - Ibamoto , et al. February 9, 1 | 1982-02-09 |
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