Inventor
KUWAHARA HEIKICHI
JP22 patents
⚠️ This page may combine multiple inventors who share the name “KUWAHARA HEIKICHI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
HITACHI LTD
18 patentsUS5270572ADec 14, 1993
Liquid impingement cooling module for semiconductor devices
HITACHI LTD188 citations99
US5021924AJun 4, 1991
Semiconductor cooling device
HITACHI LTD254 citations99
US5365402ANov 15, 1994
Cooling apparatus of electronic device
HITACHI LTD120 citations98
US5504924AApr 2, 1996
Cooling system of electronic computer using flexible members in contact with semiconductor devices on boards
HITACHI LTD151 citations97
US6021040AFeb 1, 2000
Power storage device and power converter using same
HITACHI LTD55 citations96
US5651414AJul 29, 1997
Heat-pipe type cooling apparatus
HITACHI LTD141 citations96
US4977444ADec 11, 1990
Semiconductor cooling apparatus
HITACHI LTD69 citations95
US4715436ADec 29, 1987
Construction of a heat transfer wall of a heat transfer pipe
HITACHI LTD76 citations95
US4690211ASep 1, 1987
Heat transfer tube for single phase flow
HITACHI LTD74 citations95
US5925947AJul 20, 1999
Totally-enclosed type motor
HITACHI LTD95 citations94
US5793106AAug 11, 1998
Semiconductor device
HITACHI LTD86 citations94
US5793611AAug 11, 1998
Cooling device with thermally separated electronic parts on a monolithic substrate
HITACHI LTD74 citations93
US4653163AMar 31, 1987
Method for producing a heat transfer wall for vaporizing liquids
HITACHI LTD26 citations92
US4606405AAug 19, 1986
Heat transfer wall
HITACHI LTD31 citations92
US5925929AJul 20, 1999
Cooling apparatus for electronic elements
HITACHI LTD46 citations90
US4794775AJan 3, 1989
Method of producing a heat transfer tube for single-phase flow
HITACHI LTD16 citations81
US4585055AApr 29, 1986
Liquid film evaporation type heat exchanger
HITACHI LTD22 citations81
US4561497ADec 31, 1985
Heat transfer surface and manufacturing method for same
HITACHI LTD17 citations72
HITACHI CABLE
3 patentsUS4060125ANov 29, 1977
Heat transfer wall for boiling liquids
HITACHI CABLE38 citations92
US4195688AApr 1, 1980
Heat-transfer wall for condensation and method of manufacturing the same
HITACHI CABLE24 citations81
US4194384AMar 25, 1980
Method of manufacturing heat-transfer wall for vapor condensation
HITACHI CABLE17 citations73