Inventor · Hirakata, JP

Nobuo Eda

18Patents
11h-index
22Co-inventors
72Inventor score

Filing activity: Oct 6, 1978 → Dec 9, 1999

Most-cited inventions

PatentTitleAreaCited byStatus
US6057051A Miniaturized fuel cell assembly Emerging Cross-Sectional Technologies 97 Expired
US6165645A Polymer electrolyte and lithium polymer battery using the same Emerging Cross-Sectional Technologies 49 Expired
US6905796B2 Lithium secondary battery Emerging Cross-Sectional Technologies 35 Expired
US6215272A Fuel cell device Emerging Cross-Sectional Technologies 31 Expired
US5474857A Solid polymer type fuel cell and method for manufacturing the same Emerging Cross-Sectional Technologies 28 Expired
US5723173A Method for manufacturing solid polymer electrolyte fuel cell Emerging Cross-Sectional Technologies 24 Expired
US6316139A Fuel cell having a gasket with an adhesive layer Emerging Cross-Sectional Technologies 23 Expired
US4336315A Organic electrolyte cell with manganese dioxide cathode and a light metal anode Electricity 17 Expired
US6294291A Secondary battery or cell with a non-aqueous electrolyte Emerging Cross-Sectional Technologies 14 Expired
US5518834A Cylindrical air-cell Emerging Cross-Sectional Technologies 12 Expired
US4670811A Differential-type protective relay Electricity 12 Expired
US6194094A Polymer electrolyte fuel cell Emerging Cross-Sectional Technologies 9 Expired
US4172927A Organic electrolyte battery Electricity 9 Expired
US5866423A Measuring method of the specific surface area available for reaction of noble metal catalyst in the electrode of polymer electrolyte membrane fuel cell Emerging Cross-Sectional Technologies 9 Expired
US6242260A Design for an electrode Emerging Cross-Sectional Technologies 7 Expired
US6060187A Solid polymer type fuel cell and method for manufacturing the same Emerging Cross-Sectional Technologies 7 Expired
US6106976A Secondary battery or cell with a non-aqueous electrolyte Emerging Cross-Sectional Technologies 5 Expired
US6579649B2 Polymer electrolyte battery Emerging Cross-Sectional Technologies 5 Expired

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