Inventor
AZUMA KATSUNORI
JP18 patents
⚠️ This page may combine multiple inventors who share the name “AZUMA KATSUNORI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
HITACHI LTD
9 patentsUS7742303B2Jun 22, 2010
Electric power converter
HITACHI LTD83 citations98
US7974101B2Jul 5, 2011
Power converter
HITACHI LTD41 citations96
US8369100B2Feb 5, 2013
Power converter
HITACHI LTD17 citations92
US7952876B2May 31, 2011
Electric power converter
HITACHI LTD18 citations92
US7570008B2Aug 4, 2009
Power module, power converter, and electric machine system for mounting in vehicle
HITACHI LTD11 citations84
USD598846SAug 25, 2009
Portion of power module for power inverter
HITACHI LTD10 citations83
US7542317B2Jun 2, 2009
Semiconductor device and power conversion apparatus using the same
HITACHI LTD16 citations83
US7317626B2Jan 8, 2008
Power converter
HITACHI LTD7 citations72
US7643323B2Jan 5, 2010
Power converter
HITACHI LTD3 citations61
AZUMA KATSUNORI
7 patentsUS8519561B2Aug 27, 2013
Power module and vehicle-mounted inverter using the same
AZUMA KATSUNORI27 citations92
US8422235B2Apr 16, 2013
Semiconductor device, and power conversion device using semiconductor device
AZUMA KATSUNORI21 citations91
US8422244B2Apr 16, 2013
Power converter
AZUMA KATSUNORI9 citations83
US9000601B2Apr 7, 2015
Power semiconductor module
AZUMA KATSUNORI10 citations82
US8243463B2Aug 14, 2012
Capacitor module
AZUMA KATSUNORI4 citations73
US8411454B2Apr 2, 2013
Power converter
AZUMA KATSUNORI3 citations62
US8294258B2Oct 23, 2012
Power semiconductor module
AZUMA KATSUNORI2 citations62