Inventor · Chiba, JP

Kyoko Kobayashi

25Patents
9h-index
45Co-inventors
75Inventor score

Filing activity: Jan 28, 1993 → Apr 18, 2023

Most-cited inventions

PatentTitleAreaCited byStatus
US5596042A Olefin thermoplastic elastomer and laminate thereof Emerging Cross-Sectional Technologies 27 Expired
US7582352B2 Layered product olefin foam and use Emerging Cross-Sectional Technologies 19 Expired
US8270729B2 Image authenticating apparatus, image authenticating method, recording medium, electronic device, and circuit substrate Physics 18 Active
US5702827A Olefin thermoplastic elastomer and laminate thereof Emerging Cross-Sectional Technologies 17 Expired
US6146739A Glass run channel Emerging Cross-Sectional Technologies 13 Expired
US5621021A Erasable writing ink composition Chemistry; Metallurgy 11 Expired
US6635705B2 Olefinic thermoplastic elastomer composition and method for producing the same Emerging Cross-Sectional Technologies 11 Expired
US6723794B2 Olefin thermoplastic elastomer composition comprising crystalline polyolefin resin and ethylene/&agr;-olefin/nonconjugated polyene copolymer rubber Chemistry; Metallurgy 9 Expired
US9023906B2 Propylene-based copolymer, propylene-based copolymer composition, molded product thereof and foamed product thereof, and production process therefor Chemistry; Metallurgy 9 Active
US5869563A Ethylene/.alpha.-olefin/nonconjugated polyene copolymer rubber composition Chemistry; Metallurgy 7 Expired
US7600938B2 Refill for correction pen and refill unit Chemistry; Metallurgy 7 Expired
US6221963A Thermoplastic elastomer based on olefin and process for producing the same Chemistry; Metallurgy 6 Expired
US9108464B2 Rubber composition for a tire containing epoxide natural rubber and a plasticizing resin Emerging Cross-Sectional Technologies 5 Active
US5756575A Ethylene/.alpha.-olefin/nonconjugated polyene copolymer rubber composition Chemistry; Metallurgy 5 Expired
US6589664B1 Laminated products of olefinic thermoplastic elastomer and constructional gaskets Emerging Cross-Sectional Technologies 5 Expired
US6786958B2 Ink for oil-based ball pen Chemistry; Metallurgy 5 Expired
US5856399A Thermoplastic elastomer composition Chemistry; Metallurgy 4 Expired
US6497960B1 Resin compositions for skin members and laminates thereof Emerging Cross-Sectional Technologies 3 Expired
US5972394A Method of preparing a fermented soybean milk and fermented soybean milk Chemistry; Metallurgy 3 Expired
US7140798B2 Coating fluid and fluid applicator Chemistry; Metallurgy 2 Expired
US6803418B2 Thermoplastic olefin elastomer composition Chemistry; Metallurgy 2 Expired
US12168738B2 Adhesive resin compositions and laminates Chemistry; Metallurgy 0 Active
US7094828B2 Olefin thermoplastic elastomer composition Chemistry; Metallurgy 0 Expired
US10000849B2 Laminate, packaging material using the same and production process for the same Performing Operations; Transporting 0 Active
US12395743B2 Control apparatus and control method thereof Electricity 0 Active

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