P

Inventor

KAMEZAWA TOMOYA

JP8 patents
⚠️ This page may combine multiple inventors who share the name “KAMEZAWA TOMOYA”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

HITACHI IND EQUIPMENT SYS

3 patents
US7206204B2Apr 17, 2007

Electric circuit module

HITACHI IND EQUIPMENT SYS53 citations92
US7904254B2Mar 8, 2011

Power conversion apparatus and method of estimating power cycle life

HITACHI IND EQUIPMENT SYS9 citations83
US7518890B2Apr 14, 2009

AC/DC/AC converter with reduced inductance in the DC filter capacitors

HITACHI IND EQUIPMENT SYS4 citations61

HITACHI LTD

2 patents
US6426885B1Jul 30, 2002

Inverter device and motor driving device provided with inrush current prevention circuit

HITACHI LTD15 citations79
US6400539B1Jun 4, 2002

Inverter device and motor driving device provided with inrush prevention circuit

HITACHI LTD6 citations58

IBORI SATOSHI

1 patent
US8159820B2Apr 17, 2012

Electric power conversion system

IBORI SATOSHI38 citations89

HITACHI IND EQUIPMENT SYSTEM C

1 patent
US7515422B2Apr 7, 2009

Electric power converter

HITACHI IND EQUIPMENT SYSTEM C13 citations82

KAMEZAWA TOMOYA

1 patent
US8423317B2Apr 16, 2013

Temperature detection method of semiconductor device and power conversion apparatus

KAMEZAWA TOMOYA3 citations56