Inventor · Tsukuba, JP

Ken Nozaki

17Patents
11h-index
31Co-inventors
72Inventor score

Filing activity: Jan 21, 1974 → Jan 22, 2010

Most-cited inventions

PatentTitleAreaCited byStatus
US5318865A Redox battery Emerging Cross-Sectional Technologies 85 Expired
US4362791A Redox battery Emerging Cross-Sectional Technologies 79 Expired
US4814241A Electrolytes for redox flow batteries Emerging Cross-Sectional Technologies 62 Expired
US5366824A Flow battery Emerging Cross-Sectional Technologies 48 Expired
US5250158A Method for producing vanadium electrolytic solution Emerging Cross-Sectional Technologies 37 Expired
US4732827A Process for producing electrolyte for redox cell Emerging Cross-Sectional Technologies 34 Expired
US4797566A Energy storing apparatus Emerging Cross-Sectional Technologies 33 Expired
US4320180A Fuel cell Emerging Cross-Sectional Technologies 29 Expired
US5503728A Carbon sensor electrode and process for producing the same Emerging Cross-Sectional Technologies 22 Expired
US5273639A Probe electrode Physics 18 Expired
US4465576A Method for surface treatment of carbon catalyst Emerging Cross-Sectional Technologies 16 Expired
US6854646B2 Transaction management system and method Physics 10 Expired
US6753707B2 Delay circuit and semiconductor device using the same Electricity 8 Expired
US5704118A Method of making a carbon sensor electrode Emerging Cross-Sectional Technologies 5 Expired
US3972733A Method for producing electrical energy by means of liquid crystal devices Physics 4 Expired
US8664798B2 Semiconductor integrated circuit device and power supply circuit Electricity 2 Active
US7482075B2 Reforming apparatus for fuel cell, fuel cell and operation method of fuel cell Emerging Cross-Sectional Technologies 0 Active

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