Inventor · Annaka City, JP

Kenichi Isobe

33Patents
16h-index
53Co-inventors
84Inventor score

Filing activity: Jan 31, 1978 → Mar 31, 2008

Most-cited inventions

PatentTitleAreaCited byStatus
US5412004A Silicone polymer, paste-like silicone composition, and w/o-type cosmetic composition comprising the same Chemistry; Metallurgy 207 Expired
US4431789A Novel organopolysiloxane having alcoholic hydroxy groups and a method for the preparation thereof Chemistry; Metallurgy 97 Expired
US5302685A Method for preparing organopolysiloxane powder Chemistry; Metallurgy 68 Expired
US4525563A Oxygen permeable soft contact lens composition Physics 45 Expired
US6372337B1 Thermally conductive grease composition and semiconductor device using the same Emerging Cross-Sectional Technologies 37 Expired
US6174841A Heat-reducing silicone grease composition and semiconductor device using the same Electricity 32 Expired
US5612433A Agent for water-repellent treatment of fibers Emerging Cross-Sectional Technologies 32 Expired
US4594401A Oxygen permeable hard contact lens formed from styrene monomer containing a silyl or siloxane group Physics 31 Expired
US4849491A Curable organopolysiloxane composition Chemistry; Metallurgy 29 Expired
US5576096A Agent for water-repellent treatment of fibers Emerging Cross-Sectional Technologies 28 Expired
US6114429A Thermally conductive silicone composition Chemistry; Metallurgy 28 Expired
US4589920A Ink composition utilized in lithographic printing and a lithographic printing process Performing Operations; Transporting 27 Expired
US6136758A Aluminum nitride powder and thermally conductive grease composition using the same Chemistry; Metallurgy 22 Expired
US4726964A Method for imparting releasability to a substrate surface Chemistry; Metallurgy 21 Expired
US6255257A Silicone grease composition Chemistry; Metallurgy 19 Expired
US6515095B1 Nitrogen atom-containing polysiloxanes, their preparation, and fiber and fabric finishing agent compositions Emerging Cross-Sectional Technologies 18 Expired
US4665145A Composite polymeric material comprising vinyl chloride and organosilicon moieties and a method for the preparation thereof Chemistry; Metallurgy 16 Expired
US6649258B2 Heat conductive silicone composition and semiconductor device Emerging Cross-Sectional Technologies 15 Expired
US4166110A Nail enamel composition and manufacturing method thereof Human Necessities 14 Expired
US5254644A Silicone self-adhesive composition Chemistry; Metallurgy 12 Expired
US5256754A Hydrogenpolysiloxanes and methods of making Chemistry; Metallurgy 12 Expired
US5942591A Curable silicone release composition and release sheet Chemistry; Metallurgy 12 Expired
US5075349A Novel radiation-curable polymeric composition containing a diorganopolysiloxane with (meth)acryloxy end groups Chemistry; Metallurgy 10 Expired
US4769204A Method of reactive injection molding of a urethane-based resin composition with good mold releasability and a polyol therefor Emerging Cross-Sectional Technologies 8 Expired
US5202404A Silicone block polymers and their preparation Electricity 7 Expired

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