Inventor · disambiguated record
Toshitaka Kouyama
Also filed as: KAYAMA TOSHITAKA · KOUYAMA TOSHITAKA
28 granted patents·663 citations·filing 1985–2000
97Inventor score
Top patents by PatentIndex Score
28 records- 0189US5853639AOriented polyglycolic acid film and production process thereofKUREHA CHEMICAL IND CO LTD·Filed 1997·Granted Dec 29, 1998·67 cites·21 claims
- 0289US4895892AMelt-stable poly(arylene thioether-ketone) compositionsKUREHA CHEMICAL IND CO LTD·Filed 1988·Granted Jan 23, 1990·42 cites·10 claims
- 0388US6159416AStretch blow molded container and production process thereofKUREHA CHEMICAL IND CO LTD·Filed 1999·Granted Dec 12, 2000·52 cites·20 claims
- 0487US6673403B1Gas-barrier, multi-layer hollow containerKUREHA CHEMICAL IND CO LTD·Filed 1997·Granted Jan 6, 2004·55 cites·17 claims
- 0587US6001439AStretch blow molded container and production process thereofKUREHA CHEMICAL IND CO LTD·Filed 1997·Granted Dec 14, 1999·51 cites·18 claims
- 0686US6245437B1Gas-barrier composite filmKUREHA CHEMICAL IND CO LTD·Filed 1997·Granted Jun 12, 2001·93 cites·17 claims
- 0782US4769426AProcess for preparation of polyarylene thioethers having high melt crystallization temperatureKUREHA CHEMICAL IND CO LTD·Filed 1986·Granted Sep 6, 1988·28 cites·4 claims
- 0881US4795671APara-phenylene sulfide block copolymers, process for the production of the same and use thereofKUREHA CHEMICAL IND CO LTD·Filed 1987·Granted Jan 3, 1989·24 cites·9 claims
- 0980US4613654APolyarylenesulfide complexes, processes for production and uses thereofKUREHA CHEMICAL IND CO LTD·Filed 1985·Granted Sep 23, 1986·26 cites·4 claims
- 1075US6183679B1Production process for injection-molded product of polyglycolic acidKUREHA CHEMICAL IND CO LTD·Filed 2000·Granted Feb 6, 2001·10 cites·4 claims
- 1175US4785057APara-phenylene sulfide block copolymer, process for the production of the sameKUREHA KAGAWA KOGYO KABUSHIKI·Filed 1986·Granted Nov 15, 1988·33 cites·69 claims
- 1275US4659789APhenylene sulfide resin compositionsKUREHA CHEMICAL IND CO LTD·Filed 1986·Granted Apr 21, 1987·20 cites·13 claims
- 1373US4895924APoly(arylene thioether-ketone) fibers and production process thereofKUREHA CHEMICAL IND CO LTD·Filed 1988·Granted Jan 23, 1990·23 cites·9 claims
- 1470US4897238AStretched poly(arylene thioether-ketone) films and production process thereofKUREHA CHEMICAL IND CO LTD·Filed 1989·Granted Jan 30, 1990·17 cites·4 claims
- 1569US4826906APoly(arylene thioether-ketone) compositions improved in both melt stability and crystallinityKUREHA CHEMICAL IND CO LTD·Filed 1988·Granted May 2, 1989·20 cites·5 claims
- 1666US5908917APolyglycolic acid sheet and production process thereofKUREHA CHEMICAL IND CO LTD·Filed 1997·Granted Jun 1, 1999·22 cites·19 claims
- 1762US6046251AInjection-molded product of polyglycolic acid and production process thereofKUREHA CHEMICAL IND CO LTD·Filed 1997·Granted Apr 4, 2000·18 cites·8 claims
- 1857US4746698AMethod of preventing corrosion of apparatus for melt-processing polyarylene thioethersKUREHA CHEMICAL IND CO LTD·Filed 1986·Granted May 24, 1988·10 cites·11 claims
- 1952US4873283AMolded or formed poly(arylene thioether-ketone) articlesKUREHA CHEMICAL IND CO LTD·Filed 1988·Granted Oct 10, 1989·12 cites·16 claims
- 2047US4895912AStretched poly(arylene thioether-ketone) films and production process thereofKUREHA CHEMICAL IND CO LTD·Filed 1988·Granted Jan 23, 1990·9 cites·12 claims
- 2142US4863669AProcess for forming polyarylenethioether stretched blow-molded vesselKUREHA CHEMICAL IND CO LTD·Filed 1988·Granted Sep 5, 1989·9 cites·4 claims
- 2238US4895691APoly(arylene thioether-ketone) fibers and production process thereofKUREHA CHEMICAL IND CO LTD·Filed 1989·Granted Jan 23, 1990·4 cites·6 claims
- 2338US4801416ATransparent and little colored polyarylenethioether primary melt molding, preparation and utilization thereofKUREHA CHEMICAL IND CO LTD·Filed 1986·Granted Jan 31, 1989·3 cites·10 claims
- 2436US5474828AElectronic device sealing resin compositions and sealed electronic devicesKUREHA CHEMICAL IND CO LTD·Filed 1994·Granted Dec 12, 1995·6 cites·13 claims
- 2534US4921758AMolded product of polyarylene thioether and the use thereofKUREHA CHEMICAL IND CO LTD·Filed 1988·Granted May 1, 1990·2 cites·9 claims
- 2634US4816335AHigh-quality polyarylene-thioether fibers and method for production thereofKUREHA CHEMICAL IND CO LTD·Filed 1986·Granted Mar 28, 1989·5 cites·3 claims
- 2730US5332770AElectronic device sealing resin compositions and sealed electronic devicesKUREHA CHEMICAL IND CO LTD·Filed 1992·Granted Jul 26, 1994·2 cites·8 claims
- 2830US5006591APolyarylene thioether composition and molded product thereofKUREHA CHEMICAL IND CO LTD·Filed 1989·Granted Apr 9, 1991·0 cites·11 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →