Inventor · Chiba, JP

Masataka Takeuchi

48Patents
14h-index
80Co-inventors
84Inventor score

Filing activity: Jul 3, 1986 → Jul 1, 2016

Most-cited inventions

PatentTitleAreaCited byStatus
US7250226B2 Phosphorescent compound, a phosphorescent composition and an organic light-emitting device Emerging Cross-Sectional Technologies 819 Expired
US7396598B2 Light emitting material and organic light-emitting device Emerging Cross-Sectional Technologies 806 Expired
US6096456A Film for a separator of electrochemical apparatus, and production method and use thereof Emerging Cross-Sectional Technologies 111 Expired
US5597661A Solid polymer electrolyte, battery and solid-state electric double layer capacitor using the same as well as processes for the manufacture thereof Emerging Cross-Sectional Technologies 70 Expired
US5665490A Solid polymer electrolyte, battery and solid-state electric double layer capacitor using the same as well as processes for the manufacture thereof Emerging Cross-Sectional Technologies 55 Expired
US6562513B1 Thermopolymerizable composition for battery use Emerging Cross-Sectional Technologies 48 Expired
US5874184A Solid polymer electrolyte, battery and solid-state electric double layer capacitor using the same as well as processes for the manufacture thereof Emerging Cross-Sectional Technologies 46 Expired
US6316563A Thermopolymerizable composition and use thereof Emerging Cross-Sectional Technologies 40 Expired
US6190805A Polymerizable compound, solid polymer electrolyte using the same and use thereof Emerging Cross-Sectional Technologies 40 Expired
US4740436A Secondary battery Emerging Cross-Sectional Technologies 26 Expired
US5051325A Secondary battery Emerging Cross-Sectional Technologies 19 Expired
US6306509A Ion conductive laminate and production method and use thereof Emerging Cross-Sectional Technologies 18 Expired
US8003257B2 Method for producing anode for lithium secondary battery and anode composition, and lithium secondary battery Emerging Cross-Sectional Technologies 17 Active
US7763365B2 Light emitting material and organic light-emitting device Emerging Cross-Sectional Technologies 17 Active
US4762644A Electroconductive polymer solution and manufacture of electroconductive article therefrom Electricity 14 Expired
US4803138A Nonaqueous secondary battery Emerging Cross-Sectional Technologies 11 Expired
US8388922B2 Negative electrode material for lithium battery, and lithium battery Emerging Cross-Sectional Technologies 11 Active
US6878492B2 Polymerizable composition and use thereof Emerging Cross-Sectional Technologies 10 Expired
US6337153B1 Sealed non-aqueous electrolyte cell having a casing of a sheet of laminated material Emerging Cross-Sectional Technologies 8 Expired
US7572553B2 High density electrode and battery using the electrode Emerging Cross-Sectional Technologies 5 Expired
US7022264B2 Polymerizable composition and use thereof Emerging Cross-Sectional Technologies 5 Expired
US7226695B2 Method for producing composite material for electrode comprising quinoxaline based polymer, such material, electrode and battery using the same Emerging Cross-Sectional Technologies 3 Expired
US6720109B1 Secondary battery and material therefor Emerging Cross-Sectional Technologies 2 Expired
US9276257B2 Method for producing anode for lithium secondary battery and anode composition, and lithium secondary battery Emerging Cross-Sectional Technologies 2 Active
US10109848B2 Negative electrode material for lithium ion batteries and use thereof Emerging Cross-Sectional Technologies 2 Active

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