P

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 patents
US5270572ADec 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 patents

HITACHI LTD & HITACHI CABLE LT

1 patent