Onaka; Takeshi
Patent Applications and Registrations
Patent applications and USPTO patent grants for Onaka; Takeshi.The latest application filed is for "indoor and outdoor unit communication via signal from a power line".
- Onaka; Takeshi - Hitachi JP
- Onaka, Takeshi - Hitachi-shi JP
- Onaka; Takeshi - Kurita-gun JP
| Patent | Date |
|---|---|
| Indoor and outdoor unit communication via signal from a power line Grant 7,770,403 - Kojima , et al. August 10, 2 | 2010-08-10 |
| Indoor And Outdoor Unit Communication Via Signal From A Power Line App 20090145147 - Kojima; Yasuyuki ; et al. | 2009-06-11 |
| Indoor and outdoor unit communication via signal from a power line Grant 7,523,619 - Kojima , et al. April 28, 2 | 2009-04-28 |
| Power supply with uninterruptible function Grant 7,053,502 - Aihara , et al. May 30, 2 | 2006-05-30 |
| Power supply with uninterruptible function App 20050078494 - Aihara, Nobuyuki ; et al. | 2005-04-14 |
| Air conditioning system App 20050005619 - Kojima, Yasuyuki ; et al. | 2005-01-13 |
| Power supply with uninterruptible function Grant 6,795,322 - Aihara , et al. September 21, 2 | 2004-09-21 |
| Refrigerator door opener Grant 6,655,765 - Kawamura , et al. December 2, 2 | 2003-12-02 |
| DC power supply device Grant 6,643,152 - Tokunaga , et al. November 4, 2 | 2003-11-04 |
| Synchronized rectifier voltage step down DC-DC converter and control circuit therefor Grant 6,603,671 - Tokunaga , et al. August 5, 2 | 2003-08-05 |
| DC power supply device App 20030107906 - Tokunaga, Norikazu ; et al. | 2003-06-12 |
| Refrigerator door opener App 20030090187 - Kawamura, Tadahiro ; et al. | 2003-05-15 |
| DC power supply device Grant 6,507,507 - Tokunaga , et al. January 14, 2 | 2003-01-14 |
| DC-DC converter and control circuit therefor App 20020136030 - Tokunaga, Norikazu ; et al. | 2002-09-26 |
| Power Supply With Uninterrupted Function App 20020071292 - AIHARA, NOBUYUKI ; et al. | 2002-06-13 |
| DC power supply device App 20020067630 - Tokunaga, Norikazu ; et al. | 2002-06-06 |
| Method of driving semiconductor switching device in non-saturated state and power supply apparatus containing such a switching device Grant 6,381,152 - Takahashi , et al. April 30, 2 | 2002-04-30 |
| Direct-current power-supply apparatus, control circuit thereof and semiconductor integrated circuit device for power supply App 20010026462 - Tokunaga, Norikazu ; et al. | 2001-10-04 |
| Temperature control device for refrigerators Grant 6,101,819 - Onaka , et al. August 15, 2 | 2000-08-15 |
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