Inventor · Osaka, JP

Masataka Ozeki

48Patents
9h-index
48Co-inventors
75Inventor score

Filing activity: Dec 26, 1990 → Jul 16, 2013

Most-cited inventions

PatentTitleAreaCited byStatus
US5555894A Force sensation exhibiting device, data input device and data input equipment Emerging Cross-Sectional Technologies 109 Expired
US5247806A Multi-system air conditioner Emerging Cross-Sectional Technologies 22 Expired
US8449634B2 Hydrogen generating apparatus, method of operating hydrogen generating apparatus, and fuel cell system Emerging Cross-Sectional Technologies 22 Active
US5778885A Force sensation exhibiting device data input device and data input equipment Emerging Cross-Sectional Technologies 20 Expired
US7052790B2 Fuel cell system and operation method having a condensed water tank open to atmosphere Emerging Cross-Sectional Technologies 16 Expired
US8097371B2 Hydrogen generator, fuel cell system comprising the same, and operation method thereof Emerging Cross-Sectional Technologies 15 Active
US5222371A Air conditioner of multichamber type Emerging Cross-Sectional Technologies 14 Expired
US9240604B2 Hydrogen generation apparatus and fuel cell power generation system Emerging Cross-Sectional Technologies 13 Active
US8039154B2 Fuel cell system, method of starting fuel cell system Emerging Cross-Sectional Technologies 10 Active
US8735009B2 Control unit for fuel-cell power generation apparatus, and control method, control program and computer-readable record medium with control program for the same Emerging Cross-Sectional Technologies 7 Active
US6420060B1 Solid polymer electrolyte fuel cell cogeneration system Emerging Cross-Sectional Technologies 7 Expired
US5916252A Refrigerating or air-conditioning apparatus Emerging Cross-Sectional Technologies 7 Expired
US6797420B2 Power generation device and operation method therefor Emerging Cross-Sectional Technologies 5 Expired
US6800963B2 Power controller, power generation system, and control method of power controller Emerging Cross-Sectional Technologies 5 Expired
US7532987B2 Fuel-cell power generation system and control method therefor Emerging Cross-Sectional Technologies 3 Active
US8577512B2 Energy supply system Emerging Cross-Sectional Technologies 3 Active
US8577511B2 Energy supply system Emerging Cross-Sectional Technologies 3 Active
US8862282B2 Energy supply system Emerging Cross-Sectional Technologies 3 Active
US8303674B2 Hydrogen generator and fuel cell system Emerging Cross-Sectional Technologies 3 Active
US8329353B2 Fuel cell system Emerging Cross-Sectional Technologies 3 Active
US7418315B2 Power generation system Emerging Cross-Sectional Technologies 3 Expired
US8728675B2 Fuel cell system Emerging Cross-Sectional Technologies 2 Active
US7128991B2 Fuel cell electricity generator Emerging Cross-Sectional Technologies 2 Expired
US7033687B2 Fuel cell power generation system and method of controlling fuel cell power generation Emerging Cross-Sectional Technologies 2 Expired
US7615296B2 Fuel cell system Emerging Cross-Sectional Technologies 1 Expired

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