Inventor · disambiguated record
Kouji Obata
Also filed as: OBATA KOUJI
8 granted patents·1 pending application·33 citations·filing 2005–2014
83Inventor score
Top patents by PatentIndex Score
9 records- 0187US7112940B2Frequency converter, motor, motor drive system and maintenance method for motor drive systemHITACHI IND EQUIPMENT SYS·Filed 2005·Granted Sep 26, 2006·14 cites·13 claims
- 0284US9906766B2Imaging deviceCLARION CO LTD·Filed 2014·Granted Feb 27, 2018·8 cites·7 claims
- 0373US9131199B2Imaging apparatus capable of generating an appropriate color imageCLARION CO LTD·Filed 2013·Granted Sep 8, 2015·3 cites·4 claims
- 0472US8816694B2Apparatus and method for detecting partial discharge at turn-to-turn insulation in motorOBATA KOUJI·Filed 2005·Granted Aug 26, 2014·8 cites·12 claims
- 0553US2014354298A1Apparatus and method for detecting partial discharge at turn-to-turn insulation in motorHITACHI IND EQUIPMENT SYS·Filed 2014·Application pending·0 cites
- 0648US7202628B2Frequency converter, motor, motor drive system and maintenance method for motor drive systemHITACHI IND EQUIPMENT SYS·Filed 2006·Granted Apr 10, 2007·0 cites·3 claims
- 0742US7663337B2Frequency converter, motor, motor drive system and maintenance method for motor drive systemHITACHI IND EQUIPMENT SYS·Filed 2009·Granted Feb 16, 2010·0 cites·6 claims
- 0840US7511450B2Frequency converter, motor, motor drive system and maintenance method for motor drive systemHITACHI IND EQUIPMENT SYS·Filed 2007·Granted Mar 31, 2009·0 cites·1 claims
- 0940US7408323B2Frequency converter, motor, motor drive system and maintenance method for motor drive systemHITACHI IND EQUIPMENT SYS·Filed 2007·Granted Aug 5, 2008·0 cites·3 claims
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