P

Inventor

SUGIMOTO SHIGEO

18 patents

Patents

18 patents
US4554223ANov 19, 1985

Fuel cell apparatus

HITACHI LTD59 citations96
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
US4653163AMar 31, 1987

Method for producing a heat transfer wall for vaporizing liquids

HITACHI LTD26 citations92
US4471630ASep 18, 1984

Cooling system having combination of compression and absorption type units

HITACHI LTD55 citations90
US4551991ANov 12, 1985

Multi-effect absorption refrigerating machine

HITACHI LTD33 citations88
US4794775AJan 3, 1989

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

HITACHI LTD16 citations81
US4085596AApr 25, 1978

Absorption refrigerator of double effect type

HITACHI LTD26 citations78
US4791984ADec 20, 1988

Heat transfer fin

HITACHI LTD14 citations73
US4615184AOct 7, 1986

Compression refrigerating machine with vapor-liquid separator

HITACHI LTD10 citations73
US4078399AMar 14, 1978

Absorption type refrigerator

HITACHI LTD16 citations73
US5018367AMay 28, 1991

Cooling energy generator with cooling energy accumulator

HITACHI LTD13 citations71
US5435154AJul 25, 1995

High temperature regenerator of an absorption type hot and cold water generator and absorption type hot and cold water generator

HITACHI LTD16 citations69
US4743174AMay 10, 1988

Centrifugal compressor

HITACHI LTD7 citations69
US4655053AApr 7, 1987

Air-cooled absorption refrigeration system

HITACHI LTD9 citations69
US4563882AJan 14, 1986

Air cooling type absorption cooler

HITACHI LTD11 citations69
US4841744AJun 27, 1989

Double effect air cooled absorption refrigerating machine

HITACHI LTD11 citations67
US4462222AJul 31, 1984

Dilute solution producing system of absorption refrigerating apparatus

HITACHI LTD5 citations55