Inventor · Hirakata, JP

Akio Kashihara

25Patents
8h-index
25Co-inventors
71Inventor score

Filing activity: Jul 29, 1986 → Nov 30, 1995

Most-cited inventions

PatentTitleAreaCited byStatus
US5367039A Production of colored vinyl polymer particles by polymerizing a vinyl polymerizable monomer with a polymerizable dye Chemistry; Metallurgy 27 Expired
US4777213A Microparticles having crosslinking reaction promotor function and method of use Emerging Cross-Sectional Technologies 20 Expired
US4920187A Process for preparing particles having monodisperse particle size Physics 19 Expired
US5064923A Crosslinked polymer microparticles derived from betaine monomers having three-dimensional network Chemistry; Metallurgy 18 Expired
US4777199A Coating composition Emerging Cross-Sectional Technologies 15 Expired
US4803252A Particles of crosslinked polymer prepared by emulsion polymerization in the absence of dispersion stabilizer Chemistry; Metallurgy 15 Expired
US4842936A Composite basic resin particles, its preparation and resinous composition for coating use containing the same Emerging Cross-Sectional Technologies 11 Expired
US5059505A Resin particles Emerging Cross-Sectional Technologies 9 Expired
US4920175A Microparticles having crosslinking reaction promotor function and method of use Emerging Cross-Sectional Technologies 8 Expired
US5159017A Crosslinked polymer microparticles and coating composition containing the same Chemistry; Metallurgy 8 Expired
US4833208A Composite acrylic resin particles Chemistry; Metallurgy 8 Expired
US5389497A Method for forming patterned solder mask Electricity 8 Expired
US5185229A Dry toner for high speed electrophotography Physics 7 Expired
US4743653A Two component polyurethane coating Chemistry; Metallurgy 6 Expired
US5368884A Method of forming solder mask Electricity 6 Expired
US5124226A Dispersion-polymerization process for producing a toner containing a pigment dispersed therein Physics 6 Expired
US4983671A Two component polyurethane coating Emerging Cross-Sectional Technologies 4 Expired
US5681485A Method of producing multilayer circuit boards Electricity 4 Expired
US4990571A Composite resin particles and preparation thereof Chemistry; Metallurgy 2 Expired
US4833189A Composite resin particles and preparation thereof Chemistry; Metallurgy 2 Expired
US5008318A Novel composite film and preparation thereof Chemistry; Metallurgy 2 Expired
US4968576A Resinous microparticles useful in powdery toner for electrophotography Emerging Cross-Sectional Technologies 2 Expired
US4990572A Composite resin particles and preparation thereof Chemistry; Metallurgy 2 Expired
US5154967A Composite film and preparation thereof Emerging Cross-Sectional Technologies 1 Expired
US4870132A Polymerizable amphoinic resins having silicon-containing organic group Chemistry; Metallurgy 0 Expired

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