Inventor
KOSEKI YASUO
JP22 patents
⚠️ This page may combine multiple inventors who share the name “KOSEKI YASUO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
HITACHI LTD
20 patentsUS4879041ANov 7, 1989
Process for producing ultra-pure water and process for using said ultra-pure water
HITACHI LTD112 citations95
US5289868AMar 1, 1994
Absorption chiller heater and unit-type air conditioning system
HITACHI LTD22 citations92
US5282369AFeb 1, 1994
Multiple type absorption air conditioning system
HITACHI LTD29 citations92
US4953694ASep 4, 1990
Distilling apparatus
HITACHI LTD51 citations92
US4746437AMay 24, 1988
Method and apparatus for concentration aqueous solution and method and apparatus for recovering temperature
HITACHI LTD31 citations92
US5675970AOct 14, 1997
Rankine cycle power generation system and a method for operating the same
HITACHI LTD28 citations91
US4986079AJan 22, 1991
Apparatus and method of generating coldness
HITACHI LTD25 citations91
US4113618ASep 12, 1978
Method of and apparatus for solid-liquid separation
HITACHI LTD31 citations91
US4670137AJun 2, 1987
Impurity detector
HITACHI LTD22 citations82
US4638646AJan 27, 1987
Heat storing apparatus
HITACHI LTD18 citations74
US5517830AMay 21, 1996
Multiple type absorption air conditioning system
HITACHI LTD13 citations73
US5447042ASep 5, 1995
Multiple type absorption air conditioning system
HITACHI LTD8 citations73
US5275010AJan 4, 1994
Control method and apparatus of absorption chiller heater
HITACHI LTD15 citations73
US4363219ADec 14, 1982
Method and system of heat energy conversion
HITACHI LTD12 citations73
US5435380AJul 25, 1995
Heat storage apparatus and method
HITACHI LTD18 citations71
US5018367AMay 28, 1991
Cooling energy generator with cooling energy accumulator
HITACHI LTD13 citations71
US4219441AAug 26, 1980
Aqueous alkali or alkaline treat and heat regeneration of NH4+ ad
HITACHI LTD7 citations69
US5678420AOct 21, 1997
Waste incineration heat conversion system
HITACHI LTD11 citations68
US5285645AFeb 15, 1994
Regenerative type air conditioning equipment
HITACHI LTD3 citations54
US4783277ANov 8, 1988
Absorption-type refrigerator
HITACHI LTD1 citations52