Inventor · Tsukuba, JP

Yoshii Morishita

36Patents
7h-index
53Co-inventors
72Inventor score

Filing activity: Dec 30, 1987 → Jan 29, 2014

Most-cited inventions

PatentTitleAreaCited byStatus
US7714099B2 Luminescent compositions and their uses Emerging Cross-Sectional Technologies 18 Active
US5260435A Derivative of naphthalocyanine containing perfluoroalkyl group, process for preparing the same and optical recording medium Emerging Cross-Sectional Technologies 16 Expired
US5378589A Derivative of naphthalocyanine containing perfluoroalkyl group, process for preparing the same and optical recording medium Emerging Cross-Sectional Technologies 14 Expired
US7061081B2 Resin composition, heat-resistant resin paste and semiconductor device using them and method for manufacture thereof Electricity 11 Expired
US5604063A Composition for charge transport layer and electrophotographic member using same Emerging Cross-Sectional Technologies 10 Expired
US7955716B2 Metal coordination compound, polymer composition, and organic electroluminescent device employing same Emerging Cross-Sectional Technologies 10 Active
US5304445A Phthalocyanine composition, process for preparing the same and electrophotographic photoreceptor using the same Chemistry; Metallurgy 9 Expired
US7507351B2 Method for purifying electroluminescent material, electroluminescent material and electroluminescent device Emerging Cross-Sectional Technologies 7 Expired
US5352834A Electrophotographic member Physics 7 Expired
US5626999A Phthalocyanine composition, process for preparing the same and electrophotographic photoreceptor using the same Chemistry; Metallurgy 6 Expired
US8687263B2 Light control film Physics 6 Active
US8242235B2 Purification process of electroluminescent material, electroluminescent material and electroluminescent device Emerging Cross-Sectional Technologies 6 Active
US5160487A Electrophotographic member Physics 5 Expired
US5958637A Electrophotographic photoreceptor and coating solution for production of charge transport layer Physics 3 Expired
US8008418B2 High-molecular copolymer containing metal coordination compound and organic electroluminescence element using the same Electricity 3 Active
US5938980A Phthalocyanine composition, process for preparing the same, electrophotographic photoreceptor using the same and coating solution for charge generation layer containing the same Physics 3 Expired
US5403958A Electrophotographic member Physics 3 Expired
US5837411A Phthalocyanine electrophotographic photoreceptor for charge generation layer Physics 2 Expired
US5494767A Phthalocyanine composition, process for preparing the same and electrophotographic photoreceptor using the same Chemistry; Metallurgy 2 Expired
US5382687A Enamine derivatives Physics 1 Expired
US8154791B2 Light control film Physics 1 Active
US8350430B2 Rotating machine with sintered magnet and method for producing sintered magnet Electricity 1 Active
US5233089A Enamine derivatives Physics 1 Expired
US8632892B2 Organic electronic material, organic electronic device, and organic electroluminescent device Electricity 1 Active
US9983456B2 Light control film Emerging Cross-Sectional Technologies 0 Active

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