Heikichi Kuwahara

Person

Tsuchiura, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Power storage device and power converter using same
- Patent number 6,021,040
- Issue date Feb 1, 2000
- Hitachi, Ltd.
- Osamu Suzuki
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Cooling apparatus for electronic elements
- Patent number 5,925,929
- Issue date Jul 20, 1999
- Hitachi, Ltd.
- Heikichi Kuwahara
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Totally-enclosed type motor
- Patent number 5,925,947
- Issue date Jul 20, 1999
- Hitachi, Ltd.
- Kenzo Kajiwara
- F28 - HEAT EXCHANGE IN GENERAL
Information Patent Grant
Cooling device with thermally separated electronic parts on a monol...
- Patent number 5,793,611
- Issue date Aug 11, 1998
- Hitachi, Ltd.
- Norio Nakazato
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Semiconductor device
- Patent number 5,793,106
- Issue date Aug 11, 1998
- Hitachi, Ltd.
- Akio Yasukawa
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Heat-pipe type cooling apparatus
- Patent number 5,651,414
- Issue date Jul 29, 1997
- Hitachi, Ltd.
- Osamu Suzuki
- F28 - HEAT EXCHANGE IN GENERAL
Information Patent Grant
Cooling system of electronic computer using flexible members in con...
- Patent number 5,504,924
- Issue date Apr 2, 1996
- Hitachi, Ltd.
- Shingeo Ohashi
- F28 - HEAT EXCHANGE IN GENERAL
Information Patent Grant
Cooling apparatus of electronic device
- Patent number 5,365,402
- Issue date Nov 15, 1994
- Hitachi, Ltd.
- Toshio Hatada
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Liquid impingement cooling module for semiconductor devices
- Patent number 5,270,572
- Issue date Dec 14, 1993
- Hitachi, Ltd.
- Tadakatsu Nakajima
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Semiconductor cooling device
- Patent number 5,021,924
- Issue date Jun 4, 1991
- Hitachi, Ltd.
- Shigekazu Kieda
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Semiconductor cooling apparatus
- Patent number 4,977,444
- Issue date Dec 11, 1990
- Hitachi, Ltd.
- Tadakatsu Nakajima
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Method of producing a heat transfer tube for single-phase flow
- Patent number 4,794,775
- Issue date Jan 3, 1989
- Hitachi, Ltd.
- Heikichi Kuwahara
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Grant
Construction of a heat transfer wall of a heat transfer pipe
- Patent number 4,715,436
- Issue date Dec 29, 1987
- Hitachi, Ltd.
- Kenji Takahashi
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Grant
Heat transfer tube for single phase flow
- Patent number 4,690,211
- Issue date Sep 1, 1987
- Hitachi, Ltd.
- Heikichi Kuwahara
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Grant
Method for producing a heat transfer wall for vaporizing liquids
- Patent number 4,653,163
- Issue date Mar 31, 1987
- Hitachi, Ltd.
- Heikichi Kuwahara
- F28 - HEAT EXCHANGE IN GENERAL
Information Patent Grant
Heat transfer wall
- Patent number 4,606,405
- Issue date Aug 19, 1986
- Hitachi, Ltd.
- Wataru Nakayama
- F28 - HEAT EXCHANGE IN GENERAL
Information Patent Grant
Heat transfer surface with multiple layers
- Patent number 4,602,681
- Issue date Jul 29, 1986
- Hitachi, Ltd. & Hitachi Cable, Ltd.
- Takahiro Daikoku
- F28 - HEAT EXCHANGE IN GENERAL
Information Patent Grant
Liquid film evaporation type heat exchanger
- Patent number 4,585,055
- Issue date Apr 29, 1986
- Hitachi, Ltd.
- Wataru Nakayama
- F28 - HEAT EXCHANGE IN GENERAL
Information Patent Grant
Heat transfer surface and manufacturing method for same
- Patent number 4,561,497
- Issue date Dec 31, 1985
- Hitachi, Ltd.
- Tadakatsu Nakajima
- F28 - HEAT EXCHANGE IN GENERAL
Information Patent Grant
Heat-transfer wall for condensation and method of manufacturing the...
- Patent number 4,195,688
- Issue date Apr 1, 1980
- Hitachi, Ltd.
- Kunio Fujie
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Grant
Method of manufacturing heat-transfer wall for vapor condensation
- Patent number 4,194,384
- Issue date Mar 25, 1980
- Hitachi, Ltd.
- Kunio Fujie
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...

Heikichi Kuwahara

Person

Patents Grantslast 30 patents

Power storage device and power converter using same

Cooling apparatus for electronic elements

Totally-enclosed type motor

Cooling device with thermally separated electronic parts on a monol...

Semiconductor device

Heat-pipe type cooling apparatus

Cooling system of electronic computer using flexible members in con...

Cooling apparatus of electronic device

Liquid impingement cooling module for semiconductor devices

Semiconductor cooling device

Semiconductor cooling apparatus

Method of producing a heat transfer tube for single-phase flow

Construction of a heat transfer wall of a heat transfer pipe

Heat transfer tube for single phase flow

Method for producing a heat transfer wall for vaporizing liquids

Heat transfer wall

Heat transfer surface with multiple layers

Liquid film evaporation type heat exchanger

Heat transfer surface and manufacturing method for same

Heat-transfer wall for condensation and method of manufacturing the...

Method of manufacturing heat-transfer wall for vapor condensation