Inventor · disambiguated record
Tomoya Kamezawa
Also filed as: KAMEZAWA TOMOYA
8 granted patents·141 citations·filing 2000–2008
87Inventor score
Files withHITACHI IND EQUIPMENT SYS3HITACHI LTD2HITACHI IND EQUIPMENT SYSTEM C1IBORI SATOSHI1KAMEZAWA TOMOYA1
Top patents by PatentIndex Score
8 records- 0191US8159820B2Electric power conversion systemIBORI SATOSHI·Filed 2008·Granted Apr 17, 2012·38 cites·8 claims
- 0287US7206204B2Electric circuit moduleHITACHI IND EQUIPMENT SYS·Filed 2004·Granted Apr 17, 2007·53 cites·20 claims
- 0378US7904254B2Power conversion apparatus and method of estimating power cycle lifeHITACHI IND EQUIPMENT SYS·Filed 2008·Granted Mar 8, 2011·9 cites·20 claims
- 0474US7515422B2Electric power converterHITACHI IND EQUIPMENT SYSTEM C·Filed 2006·Granted Apr 7, 2009·13 cites·7 claims
- 0558US8423317B2Temperature detection method of semiconductor device and power conversion apparatusKAMEZAWA TOMOYA·Filed 2005·Granted Apr 16, 2013·3 cites·6 claims
- 0655US6426885B1Inverter device and motor driving device provided with inrush current prevention circuitHITACHI LTD·Filed 2001·Granted Jul 30, 2002·15 cites·5 claims
- 0754US7518890B2AC/DC/AC converter with reduced inductance in the DC filter capacitorsHITACHI IND EQUIPMENT SYS·Filed 2006·Granted Apr 14, 2009·4 cites·10 claims
- 0851US6400539B1Inverter device and motor driving device provided with inrush prevention circuitHITACHI LTD·Filed 2000·Granted Jun 4, 2002·6 cites·9 claims
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