Inventor · Ibaraki, JP

Daisuke Hisajima

12Patents
6h-index
26Co-inventors
66Inventor score

Filing activity: Jun 15, 1990 → Sep 10, 2014

Most-cited inventions

PatentTitleAreaCited byStatus
US5156203A Air conditioning system Mechanical Engineering; Lighting; Heating 63 Expired
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
US5517830A Multiple type absorption air conditioning system Emerging Cross-Sectional Technologies 8 Expired
US5275010A Control method and apparatus of absorption chiller heater Emerging Cross-Sectional Technologies 7 Expired
US5259202A Absorption air-conditioning system Emerging Cross-Sectional Technologies 6 Expired
US5205137A Absorption air conditioner Emerging Cross-Sectional Technologies 6 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
US10554065B2 Battery control apparatus Emerging Cross-Sectional Technologies 0 Active

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