Inventor · Tsukuba, JP

Tomihisa Ohuchi

19Patents
7h-index
31Co-inventors
66Inventor score

Filing activity: Jan 6, 1981 → Mar 20, 2001

Most-cited inventions

PatentTitleAreaCited byStatus
US5577555A Heat exchanger Emerging Cross-Sectional Technologies 33 Expired
US5282369A Multiple type absorption air conditioning system Emerging Cross-Sectional Technologies 16 Expired
US5289868A Absorption chiller heater and unit-type air conditioning system Emerging Cross-Sectional Technologies 11 Expired
US5435154A High temperature regenerator of an absorption type hot and cold water generator and absorption type hot and cold water generator Mechanical Engineering; Lighting; Heating 11 Expired
US5517830A Multiple type absorption air conditioning system Emerging Cross-Sectional Technologies 8 Expired
US6247331A Absorption refrigerator and the method of producing the same Emerging Cross-Sectional Technologies 7 Expired
US6233968A Absorption refrigerating machine Emerging Cross-Sectional Technologies 7 Expired
US6122930A Absorption refrigerating machine Emerging Cross-Sectional Technologies 7 Expired
US5275010A Control method and apparatus of absorption chiller heater Emerging Cross-Sectional Technologies 7 Expired
US5205137A Absorption air conditioner Emerging Cross-Sectional Technologies 6 Expired
US5259202A Absorption air-conditioning system Emerging Cross-Sectional Technologies 6 Expired
US4328679A Capability control apparatus for cooling system having direct expansion type evaporator Emerging Cross-Sectional Technologies 5 Expired
US5218844A Absorption heat pump apparatus with indoor and outdoor heat exchangers Emerging Cross-Sectional Technologies 5 Expired
US5447042A Multiple type absorption air conditioning system Emerging Cross-Sectional Technologies 4 Expired
US5048308A Absorption refrigerator Emerging Cross-Sectional Technologies 4 Expired
US4941329A Double effect air-cooled absorption refrigerating machine Emerging Cross-Sectional Technologies 3 Expired
US5186241A Chemical heat pump Emerging Cross-Sectional Technologies 2 Expired
US6336343B1 Two-stage absorption refrigerating apparatus Mechanical Engineering; Lighting; Heating 2 Expired
US6279343A High temperature regenerator for absorption water cooling and heating machine Emerging Cross-Sectional Technologies 1 Expired

Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.