Inventor
NAGANAWA TAKASHI
JP26 patents
⚠️ This page may combine multiple inventors who share the name “NAGANAWA TAKASHI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
HITACHI LTD
22 patentsUS6807056B2Oct 19, 2004
Electronic equipment
HITACHI LTD239 citations99
US6430042B1Aug 6, 2002
Electronic apparatus having means for cooling a semiconductor element mounted therein
HITACHI LTD82 citations98
US6809927B2Oct 26, 2004
Liquid circulation cooling system for electronic apparatus
HITACHI LTD60 citations96
US6741464B2May 25, 2004
Liquid cooling system and personal computer using thereof
HITACHI LTD47 citations96
US6611425B2Aug 26, 2003
Electronic apparatus
HITACHI LTD48 citations93
US7825562B2Nov 2, 2010
Rotary electric machine, crank-shaped continuously winding coil, distribution winding stator and forming method thereof
HITACHI LTD25 citations92
US7050299B2May 23, 2006
Electronic equipment
HITACHI LTD42 citations92
US6987668B2Jan 17, 2006
Liquid cooling system and personal computer using thereof
HITACHI LTD34 citations92
US6972954B2Dec 6, 2005
Liquid cooling system and personal computer using the same
HITACHI LTD33 citations92
US6873525B2Mar 29, 2005
Liquid cooling system and personal computer using the same
HITACHI LTD15 citations92
US6757169B2Jun 29, 2004
Electronic apparatus
HITACHI LTD41 citations92
US6697253B2Feb 24, 2004
Liquid cooling system and personal computer using thereof
HITACHI LTD27 citations92
US6449149B1Sep 10, 2002
Electronic equipment
HITACHI LTD52 citations92
US4730474AMar 15, 1988
Method of relieving residual stress in metal pipe
HITACHI LTD27 citations90
US8354769B2Jan 15, 2013
Rotating electrical machine and manufacturing method of a stator thereof
HITACHI LTD11 citations84
US7936100B2May 3, 2011
Stator for rotating machine and rotating machine using the same
HITACHI LTD11 citations84
US7624789B2Dec 1, 2009
Liquid cooling system and an electronic apparatus having the same therein
HITACHI LTD18 citations84
US7113404B2Sep 26, 2006
Liquid cooling system
HITACHI LTD15 citations84
US6885556B2Apr 26, 2005
Electronic apparatus
HITACHI LTD13 citations84
US7516777B2Apr 14, 2009
Cooling jacket
HITACHI LTD19 citations83
US6808014B2Oct 26, 2004
Cooling device of electronic apparatus
HITACHI LTD8 citations74
US7296618B2Nov 20, 2007
Liquid cooling system and electronic apparatus using the same
HITACHI LTD1 citations52