Toshitaka Kouyama
28Patents
14h-index
22Co-inventors
77Inventor score
Filing activity: May 15, 1985 → Feb 15, 2000
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6245437A | Gas-barrier composite film | Emerging Cross-Sectional Technologies | 48 | Expired |
| US4895892A | Melt-stable poly(arylene thioether-ketone) compositions | Chemistry; Metallurgy | 38 | Expired |
| US5853639A | Oriented polyglycolic acid film and production process thereof | Emerging Cross-Sectional Technologies | 33 | Expired |
| US6673403B1 | Gas-barrier, multi-layer hollow container | Emerging Cross-Sectional Technologies | 28 | Expired |
| US6001439A | Stretch blow molded container and production process thereof | Emerging Cross-Sectional Technologies | 27 | Expired |
| US4769426A | Process for preparation of polyarylene thioethers having high melt crystallization temperature | Chemistry; Metallurgy | 26 | Expired |
| US4613654A | Polyarylenesulfide complexes, processes for production and uses thereof | Chemistry; Metallurgy | 25 | Expired |
| US6159416A | Stretch blow molded container and production process thereof | Emerging Cross-Sectional Technologies | 23 | Expired |
| US4895924A | Poly(arylene thioether-ketone) fibers and production process thereof | Emerging Cross-Sectional Technologies | 22 | Expired |
| US4785057A | Para-phenylene sulfide block copolymer, process for the production of the same | Emerging Cross-Sectional Technologies | 21 | Expired |
| US4795671A | Para-phenylene sulfide block copolymers, process for the production of the same and use thereof | Emerging Cross-Sectional Technologies | 20 | Expired |
| US4659789A | Phenylene sulfide resin compositions | Textiles; Paper | 17 | Expired |
| US4826906A | Poly(arylene thioether-ketone) compositions improved in both melt stability and crystallinity | Chemistry; Metallurgy | 15 | Expired |
| US5908917A | Polyglycolic acid sheet and production process thereof | Chemistry; Metallurgy | 14 | Expired |
| US6046251A | Injection-molded product of polyglycolic acid and production process thereof | Chemistry; Metallurgy | 14 | Expired |
| US4897238A | Stretched poly(arylene thioether-ketone) films and production process thereof | Chemistry; Metallurgy | 14 | Expired |
| US4873283A | Molded or formed poly(arylene thioether-ketone) articles | Chemistry; Metallurgy | 11 | Expired |
| US4746698A | Method of preventing corrosion of apparatus for melt-processing polyarylene thioethers | Chemistry; Metallurgy | 10 | Expired |
| US6183679A | Production process for injection-molded product of polyglycolic acid | Chemistry; Metallurgy | 9 | Expired |
| US4895912A | Stretched poly(arylene thioether-ketone) films and production process thereof | Chemistry; Metallurgy | 8 | Expired |
| US4863669A | Process for forming polyarylenethioether stretched blow-molded vessel | Emerging Cross-Sectional Technologies | 4 | Expired |
| US5474828A | Electronic device sealing resin compositions and sealed electronic devices | Emerging Cross-Sectional Technologies | 3 | Expired |
| US4895691A | Poly(arylene thioether-ketone) fibers and production process thereof | Emerging Cross-Sectional Technologies | 3 | Expired |
| US4801416A | Transparent and little colored polyarylenethioether primary melt molding, preparation and utilization thereof | Chemistry; Metallurgy | 3 | Expired |
| US4816335A | High-quality polyarylene-thioether fibers and method for production thereof | Emerging Cross-Sectional Technologies | 2 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.