Kurosawa; Ryoichi
Patent Applications and Registrations
Patent applications and USPTO patent grants for Kurosawa; Ryoichi.The latest application filed is for "spindle motor and hard disk drive therewith".
- Kurosawa; Ryoichi - Saku JP
- KUROSAWA; Ryoichi - Saku-shi JP
- Kurosawa; Ryoichi - Tokyo JP
- Kurosawa; Ryoichi - Kokubunji JP
- Kurosawa; Ryoichi - Hachiouji JP
- Kurosawa; Ryoichi - Hachioji JP
| Patent | Date |
|---|---|
| Spindle motor and hard disk drive therewith Grant 8,941,947 - Showa , et al. January 27, 2 | 2015-01-27 |
| Spindle Motor And Hard Disk Drive Therewith App 20140111884 - SHOWA; Hideaki ; et al. | 2014-04-24 |
| Power conversion apparatus Grant 7,262,982 - Kurosawa August 28, 2 | 2007-08-28 |
| Power conversion apparatus App 20070133235 - Kurosawa; Ryoichi | 2007-06-14 |
| Reluctance type rotating machine with permanent magnets Grant 6,552,462 - Sakai , et al. April 22, 2 | 2003-04-22 |
| Reluctance type rotating machine with permanent magnets App 20020047436 - Sakai, Kazuto ; et al. | 2002-04-25 |
| Reluctance type rotating machine with permanent magnets Grant 6,342,745 - Sakai , et al. January 29, 2 | 2002-01-29 |
| Reluctance type rotating machine with permanent magnets Grant 6,274,960 - Sakai , et al. August 14, 2 | 2001-08-14 |
| Continuous deadbeat control system with feedback control Grant 5,111,124 - Kurosawa May 5, 1 | 1992-05-05 |
| Apparatus for detecting revolution using a synchro Grant 4,837,492 - Kurosawa , et al. June 6, 1 | 1989-06-06 |
| Reactive power compensation apparatus Grant 4,755,738 - Shimamura , et al. July 5, 1 | 1988-07-05 |
| Reactive power compensation apparatus Grant 4,698,581 - Shimamura , et al. October 6, 1 | 1987-10-06 |
| AC Current control system Grant 4,555,755 - Kurosawa , et al. November 26, 1 | 1985-11-26 |
| AC Power converter with commutation circuit for reducing reactive power Grant 4,555,752 - Kurosawa November 26, 1 | 1985-11-26 |
| Inverter apparatus Grant 4,517,636 - Uchino , et al. May 14, 1 | 1985-05-14 |
| System for detecting mechanical movement Grant 4,475,105 - Kurosawa October 2, 1 | 1984-10-02 |
| Method and system for controlling induction motors Grant 4,267,499 - Kurosawa May 12, 1 | 1981-05-12 |
| Inverter apparatus Grant 4,032,831 - Nabae , et al. June 28, 1 | 1977-06-28 |
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