Inventor · disambiguated record
Koji Hamaoka
Also filed as: HAMAOKA KOJI
12 granted patents·5 pending applications·279 citations·filing 1997–2016
92Inventor score
Files withSAMSUNG ELECTRONICS CO LTD7MATSUSHITA REFRIGERATION4MATSUSHITA ELECTRIC INDUSTRIAL CO LTD3DAIICHI SANKYO CO LTD1HAMAOKA KOJI1
Top patents by PatentIndex Score
17 records- 0194US6704202B1Power controller and compressor for refrigeration systemMATSUSHITA REFRIGERATION·Filed 2000·Granted Mar 9, 2004·90 cites·5 claims
- 0291US7102306B2Brushless DC motor driving method and apparatus for itMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2004·Granted Sep 5, 2006·61 cites·28 claims
- 0380US6184597B1Linear motor and linear compressorMATSUSHITA REFRIGERATION·Filed 1999·Granted Feb 6, 2001·51 cites·33 claims
- 0473US7235941B2Phase commutation method of brushless direct current motorSAMSUNG ELECTRONICS CO LTD·Filed 2005·Granted Jun 26, 2007·11 cites·11 claims
- 0573US7190131B2Device and method for starting brushless direct current motorOH KWANG KYO·Filed 2005·Granted Mar 13, 2007·12 cites·14 claims
- 0668US7427841B2Driving method and driver of brushless DC motorMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2004·Granted Sep 23, 2008·17 cites·7 claims
- 0767US7233124B2Motor drive inverter control apparatusMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2004·Granted Jun 19, 2007·16 cites·13 claims
- 0861US6239992B1Electric power unit with early auxiliary capacitor chargingMATSUSHITA REFRIGERATION·Filed 2000·Granted May 29, 2001·12 cites·3 claims
- 0953US8226372B2Electric compressorHAMAOKA KOJI·Filed 2004·Granted Jul 24, 2012·5 cites·6 claims
- 1048US2007133957A1Method of controlling speed of BLDC motor and method of controlling cooling speed of refrigerator using the sameSAMSUNG ELECTRONICS CO LTD·Filed 2006·Application pending·0 cites
- 1148US2007113569A1Refrigerator and control method of the sameSAMSUNG ELECTRONICS CO LTD·Filed 2006·Application pending·0 cites
- 1238US9294022B2BLDC motor driving apparatus and refrigerator using the sameSAMSUNG ELECTRONICS CO LTD·Filed 2013·Granted Mar 22, 2016·0 cites·13 claims
- 1337US2007040532A1Motor controller and control method thereof, and error detecting apparatus of inverterSAMSUNG ELECTRONICS CO LTD·Filed 2006·Application pending·0 cites
- 1435US10189804B2Method for producing dicarboxylic acid compoundDAIICHI SANKYO CO LTD·Filed 2016·Granted Jan 29, 2019·0 cites·15 claims
- 1532US6157554APower unitMATSUSHITA REFRIGERATION·Filed 1997·Granted Dec 5, 2000·4 cites·18 claims
- 1631US2007152624A1Motor system, control method thereof, and compressor using the sameSAMSUNG ELECTRONICS CO LTD·Filed 2006·Application pending·0 cites
- 1731US2006290303A1Three phase BLDC motor controller and control method thereofSAMSUNG ELECTRONICS CO LTD·Filed 2006·Application pending·0 cites
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