Inventor
IDE KAZUMASA
JP30 patents
⚠️ This page may combine multiple inventors who share the name “IDE KAZUMASA”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
HITACHI LTD
24 patentsUS7271500B1Sep 18, 2007
Electrical rotating machine control unit and power generation system
HITACHI LTD21 citations92
US7127896B2Oct 31, 2006
Engine cogeneration system
HITACHI LTD17 citations92
US6966185B2Nov 22, 2005
Engine cogeneration system
HITACHI LTD33 citations92
US6380655B1Apr 30, 2002
Variable-speed electromechanical energy converter
HITACHI LTD25 citations92
US5469009ANov 21, 1995
Turbine generator
HITACHI LTD32 citations92
US6359361B1Mar 19, 2002
Armature winding and rotating electric machine using the same
HITACHI LTD22 citations91
US7619332B2Nov 17, 2009
Permanent magnet type electric rotating machine and wind turbine electric power generation system
HITACHI LTD26 citations89
US7157804B2Jan 2, 2007
Electrical rotating machine control unit and power generation system
HITACHI LTD12 citations84
US7667343B2Feb 23, 2010
Hydrogen production system using wind turbine generator
HITACHI LTD13 citations83
US7071586B2Jul 4, 2006
Dynamo-electric machine
HITACHI LTD12 citations83
US6936939B2Aug 30, 2005
Rotating electric machine and cooling method thereof
HITACHI LTD13 citations82
US7095133B2Aug 22, 2006
Electrical rotating machine control unit and power generation system
HITACHI LTD10 citations74
US7755230B2Jul 13, 2010
Rotary electric machine having cooling device and electric generating system including the machine
HITACHI LTD7 citations73
US7294943B2Nov 13, 2007
Electric rotating machine
HITACHI LTD6 citations73
US6724107B1Apr 20, 2004
Dynamo-electric machine
HITACHI LTD6 citations72
US7368842B2May 6, 2008
Armature windings and dynamo-electric machine using the same
HITACHI LTD4 citations63
US7737593B2Jun 15, 2010
Electrical rotation machine and a wind turbine system
HITACHI LTD3 citations62
US7732958B2Jun 8, 2010
Turbogenerator
HITACHI LTD2 citations62
US7535147B2May 19, 2009
Turbine generator having an A/C exciter
HITACHI LTD6 citations62
US7498707B2Mar 3, 2009
Electrical rotation machine and a wind turbine system
HITACHI LTD5 citations62
US6737768B2May 18, 2004
Rotating electric machine
HITACHI LTD3 citations61
US7129613B2Oct 31, 2006
Rotating electrical machine and drive system of cage induction motor
HITACHI LTD4 citations60
US6882078B2Apr 19, 2005
Rotating electrical machine and drive system of cage induction motor
HITACHI LTD5 citations60
US7043399B2May 9, 2006
Electro-magnetic analysis program of electric rotating machine
HITACHI LTD0 citations42
NAKAHARA AKIHITO
4 patentsUS8174156B2May 8, 2012
Rotating electrical machine with different lamination steel kinds and spacing
NAKAHARA AKIHITO8 citations82
US8760028B2Jun 24, 2014
Electrical rotating machine with local heat reduction
NAKAHARA AKIHITO2 citations61
US8304953B2Nov 6, 2012
Rotating electrical machine
NAKAHARA AKIHITO4 citations61
US8624462B2Jan 7, 2014
Rotating electrical machine
NAKAHARA AKIHITO1 citations51