Shunichi Matsumura
44Patents
10h-index
43Co-inventors
75Inventor score
Filing activity: Feb 19, 1980 → Apr 12, 2005
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4764427A | Fiber having thermoplastic resin coating | Emerging Cross-Sectional Technologies | 57 | Expired |
| US4446262A | Protection from ultraviolet light by use of novel ultraviolet absorber | Chemistry; Metallurgy | 51 | Expired |
| US5068062A | Reversibly color-changeable materials | Chemistry; Metallurgy | 42 | Expired |
| US5290906A | Poly(arylene ether ketone), process for producing same and its use | Emerging Cross-Sectional Technologies | 19 | Expired |
| US5849822A | Thermoplastic resin composition superior in transparency and antistatic property | Emerging Cross-Sectional Technologies | 18 | Expired |
| US5969082A | Application of sulfone, ketone and ester containing polyalkyl ether units to medical materials | Emerging Cross-Sectional Technologies | 16 | Expired |
| US4291152A | Process for producing aromatic polyesters having increased degrees of polymerization | Chemistry; Metallurgy | 16 | Expired |
| US4416839A | Wholly aromatic polyester composition, process for production thereof, and production therefrom of a film-like or fibrous article of a wholly aromatic polyester | Emerging Cross-Sectional Technologies | 12 | Expired |
| US4517315A | Production of a film-like or fibrous structure of an aromatic polyester | Emerging Cross-Sectional Technologies | 11 | Expired |
| US4331800A | Process for producing aromatic polyesters having an increased degree of polymerization | Chemistry; Metallurgy | 10 | Expired |
| US4351936A | Method for reducing the terminal carboxyl group content of a saturated polyester, a saturated polyester having a reduced terminal carboxyl group content, and a molded article composed of such a saturated polyester | Chemistry; Metallurgy | 10 | Expired |
| US4910265A | Process for producing thermoset resin | Chemistry; Metallurgy | 9 | Expired |
| US5446109A | Polyamide/aliphatic polyester block copolymer, process for the production thereof, and blend containing the same | Emerging Cross-Sectional Technologies | 7 | Expired |
| US4419308A | Process for producing porous, film-like or fibrous structure of aromatic polyester | Chemistry; Metallurgy | 7 | Expired |
| US4760124A | Crystalline polyester-imide, process for production thereof, and use thereof | Chemistry; Metallurgy | 7 | Expired |
| US6881453B2 | Optical film | Emerging Cross-Sectional Technologies | 6 | Expired |
| US4581438A | Aromatic polyester of 6,6'-(ethylenedioxy)di-2-naphthoic acid, process for production thereof and film, fiber and other shaped articles therefrom | Chemistry; Metallurgy | 5 | Expired |
| US5115074A | Epoxy compound, precursor thereof, production processes thereof, use of the precursor and cured product of the epoxy compound | Chemistry; Metallurgy | 5 | Expired |
| US7754328B2 | Carbon nanotube coated with aromatic condensation polymer | Emerging Cross-Sectional Technologies | 5 | Active |
| US5691412A | Polyamide/aliphatic polyester block copolymer, process for the production thereof, and blend containing the same | Chemistry; Metallurgy | 5 | Expired |
| US6166168A | Application of sulfone, ketone and ester containing polyalkyl ether units to medical materials | Emerging Cross-Sectional Technologies | 4 | Expired |
| US4369207A | Process for production of laminated film structure of aromatic polyester | Chemistry; Metallurgy | 4 | Expired |
| US4931512A | Process for producing a thermoset resin | Chemistry; Metallurgy | 4 | Expired |
| US4842797A | Process for producing shaped polyamide articles | Chemistry; Metallurgy | 4 | Expired |
| US5876851A | Film from polycarbonate, polyester to be laminated on metal | Emerging Cross-Sectional Technologies | 4 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.