Inventor · Yokohama, JP

Haruhisa Miyake

30Patents
14h-index
41Co-inventors
81Inventor score

Filing activity: Nov 8, 1976 → Jan 29, 1998

Most-cited inventions

PatentTitleAreaCited byStatus
US4385150A Organic solution of fluorinated copolymer having carboxylic acid groups Chemistry; Metallurgy 76 Expired
US4123602A Terpolymers of tetrafluoroethylene, ethylene and perfluoroalkyl vinyl monomer and process for producing the same Chemistry; Metallurgy 69 Expired
US5759373A Porous ion exchanger and method for producing deionized water Performing Operations; Transporting 56 Expired
US4116888A Process for producing fluorinated copolymer having ion-exchange groups Chemistry; Metallurgy 51 Expired
US4126588A Fluorinated cation exchange membrane and use thereof in electrolysis of alkali metal halide Chemistry; Metallurgy 46 Expired
US4340680A Cation exchange membrane of fluorinated polymer for an electrolysis Chemistry; Metallurgy 31 Expired
US5401408A Bipolar membrane Chemistry; Metallurgy 30 Expired
US4604170A Multi-layered diaphragm for electrolysis Chemistry; Metallurgy 30 Expired
US5397445A Method for producing an acid and/or alkali metal hydroxide Performing Operations; Transporting 23 Expired
US5494984A Method for producing a fluorinated polymer Chemistry; Metallurgy 19 Expired
US4508603A Fluorinated cation exchange membrane and use thereof in electrolysis of an alkali metal halide Chemistry; Metallurgy 19 Expired
US4138373A Process for producing fluorinated copolymer having ion-exchange groups Chemistry; Metallurgy 17 Expired
US4341685A Process for preparing organic dispersion of acid type fluorinated polymer Chemistry; Metallurgy 16 Expired
US5736610A Adhesive fluorine-containing polymer and laminate employing it Emerging Cross-Sectional Technologies 16 Expired
US4814418A Fluorosilicone polymer, processes for the production thereof and composition containing it Chemistry; Metallurgy 14 Expired
US6203912A Electronic article having fluoropolymer thin film Emerging Cross-Sectional Technologies 13 Expired
US5965275A Adhesive fluorine-containing polymer and laminate employing it Emerging Cross-Sectional Technologies 11 Expired
US4586992A Process for producing potassium hydroxide Chemistry; Metallurgy 10 Expired
US4983264A Four layer cation exchange fluoropolymer membrane Chemistry; Metallurgy 10 Expired
US5300228A Method for separating and recovering an acid Chemistry; Metallurgy 9 Expired
US4320205A Process for producing fluorinated polymer having ion-exchange groups Performing Operations; Transporting 8 Expired
US4151340A Process for producing fluorocopolymer Emerging Cross-Sectional Technologies 8 Expired
US4298699A Process for producing fluorinated polymer having ion-exchange groups Chemistry; Metallurgy 7 Expired
US5948826A Heterogeneous ion exchange membrane and process for its production Chemistry; Metallurgy 7 Expired
US5716504A Cation exchange membrane for electrolysis and process for producing potassium hydroxide of high purity Chemistry; Metallurgy 6 Expired

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