Hamaoka; Koji
Patent Applications and Registrations
Patent applications and USPTO patent grants for Hamaoka; Koji.The latest application filed is for "method for producing dicarboxylic acid compound".
- Hamaoka; Koji - Hiratsuka JP
- HAMAOKA; Koji - Hiratsuka-shi Kanagawa
- Hamaoka; Koji - Gwangju KR
- Hamaoka; Koji - Osaka JP
- Hamaoka; Koji - Gwangju-city KR
- Hamaoka; Koji - Osaka-shi Osaka
| Patent | Date |
|---|---|
| Method for producing dicarboxylic acid compound Grant 10,189,804 - Murakami , et al. Ja | 2019-01-29 |
| Method For Producing Dicarboxylic Acid Compound App 20180148424 - MURAKAMI; Masayuki ; et al. | 2018-05-31 |
| BLDC motor driving apparatus and refrigerator using the same Grant 9,294,022 - Park , et al. March 22, 2 | 2016-03-22 |
| Bldc Motor Driving Apparatus And Refrigerator Using The Same App 20140013784 - Park; Sung In ; et al. | 2014-01-16 |
| Electric compressor Grant 8,226,372 - Hamaoka , et al. July 24, 2 | 2012-07-24 |
| Driving method and driver of brushless DC motor Grant 7,427,841 - Hamaoka , et al. September 23, 2 | 2008-09-23 |
| Motor system, control method thereof, and compressor using the same App 20070152624 - Hamaoka; Koji ; et al. | 2007-07-05 |
| Driving method and driver of brushless dc motor App 20070145919 - Hamaoka; Koji ; et al. | 2007-06-28 |
| Phase commutation method of brushless direct current motor Grant 7,235,941 - Park , et al. June 26, 2 | 2007-06-26 |
| Motor drive inverter control apparatus Grant 7,233,124 - Takeoka , et al. June 19, 2 | 2007-06-19 |
| Method of controlling speed of BLDC motor and method of controlling cooling speed of refrigerator using the same App 20070133957 - Oh; Kwang-kyo ; et al. | 2007-06-14 |
| Refrigerator and control method of the same App 20070113569 - Oh; Kwang-kyo ; et al. | 2007-05-24 |
| Device and method for starting brushless direct current motor Grant 7,190,131 - Oh , et al. March 13, 2 | 2007-03-13 |
| Motor controller and control method thereof, and error detecting apparatus of inverter App 20070040532 - Bae; Hun-yub ; et al. | 2007-02-22 |
| Three phase BLDC motor controller and control method thereof App 20060290303 - Oh; Kwang-kyo ; et al. | 2006-12-28 |
| Motor frive inverter control apparatus App 20060208687 - Takeoka; Yoshinori ; et al. | 2006-09-21 |
| Brushless DC motor driving method and apparatus for it Grant 7,102,306 - Hamaoka , et al. September 5, 2 | 2006-09-05 |
| Phase commutation method of brushless direct current motor App 20060138986 - Park; Pyeong Ki ; et al. | 2006-06-29 |
| Device and method for starting brushless direct current motor App 20060132071 - Oh; Kwang Kyo ; et al. | 2006-06-22 |
| Brushless Dc Motor Driving Method And Apparatus For It App 20060082339 - Hamaoka; Koji ; et al. | 2006-04-20 |
| Electrically powered compressor App 20060039807 - Hamaoka; Koji ; et al. | 2006-02-23 |
| Power controller and compressor for refrigeration system Grant 6,704,202 - Hamaoka , et al. March 9, 2 | 2004-03-09 |
| Linear motor and linear compressor Grant 6,184,597 - Yamamoto , et al. February 6, 2 | 2001-02-06 |
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