Inventor · Hamanaka, JP

Takemi Yamamura

27Patents
13h-index
32Co-inventors
81Inventor score

Filing activity: Dec 13, 1974 → May 26, 2014

Most-cited inventions

PatentTitleAreaCited byStatus
US4961990A Fibrous material for composite materials, fiber-reinforced composite materials produced therefrom, and process for producing same Emerging Cross-Sectional Technologies 52 Expired
US4778722A Reinforcing fibers and composite materials reinforced with said fibers Emerging Cross-Sectional Technologies 36 Expired
US4342712A Process for producing continuous inorganic fibers Chemistry; Metallurgy 29 Expired
US4618529A Inorganic fiber-reinforced ceramic composite material Emerging Cross-Sectional Technologies 28 Expired
US4770926A Hybrid fiber-reinforced plastic composite material Emerging Cross-Sectional Technologies 27 Expired
US4770935A Inorganic fibrous material as reinforcement for composite materials and process for production thereof Emerging Cross-Sectional Technologies 23 Expired
US5277973A Carbon fibers having high strength and high modulus of elasticity and polymer composition for their production Emerging Cross-Sectional Technologies 23 Expired
US4347347A Crosslinked organometallic block copolymers and process for production thereof Chemistry; Metallurgy 22 Expired
US4610917A Inorganic fiber-reinforced ceramic composite material Emerging Cross-Sectional Technologies 22 Expired
US4399232A Continuous inorganic fibers and process for production thereof Chemistry; Metallurgy 21 Expired
US5094907A Electromagnetic wave absorbing material Emerging Cross-Sectional Technologies 20 Expired
US4359559A Novel polymetallocarbosilane, and process for its production Chemistry; Metallurgy 18 Expired
US4336215A Sintered ceramic body and process for production thereof Chemistry; Metallurgy 15 Expired
US4556526A Process for production of sintered ceramic body Chemistry; Metallurgy 11 Expired
US4455414A Process for producing an organometallic copolymer Chemistry; Metallurgy 10 Expired
US4622270A Inorganic fiber-reinforced metallic composite material Emerging Cross-Sectional Technologies 9 Expired
US6117534A Reinforcement for composite material and composite material using the same Emerging Cross-Sectional Technologies 7 Expired
US4614690A Inorganic fiber-reinforced metallic composite material Emerging Cross-Sectional Technologies 6 Expired
US5240888A Inorganic fiber and process for the production thereof Chemistry; Metallurgy 5 Expired
US4990470A High-strength and high-toughness sinter and process for producing the same Chemistry; Metallurgy 5 Expired
US6004671A Reinforcement for composite material and composite material using the same Emerging Cross-Sectional Technologies 4 Expired
US4663229A Continuous inorganic fibers and process for production thereof Emerging Cross-Sectional Technologies 4 Expired
US5207861A Process for producing a high strength and high toughness sinter Chemistry; Metallurgy 1 Expired
US3943186A Method for producing isopentene Chemistry; Metallurgy 1 Expired
US5318860A Inorganic fiber sinter and process for producing same Emerging Cross-Sectional Technologies 1 Expired

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