Inventor · disambiguated record
Takayuki Katto
Also filed as: KATTO TAKAYUKI
64 granted patents·1,095 citations·filing 1973–1993
99Inventor score
Files withKUREHA CHEMICAL IND CO LTD61KUREHA KABAKU KOGYO K K1KUREHA KAGAKU KOGHO K K1KUREHA KAGAWA KOGYO KABUSHIKI1
Top patents by PatentIndex Score
64 records- 0198US4645826AProcess for production of high to ultra-high molecular weight linear polyarylenesulfidesKUREHA CHEMICAL IND CO LTD·Filed 1985·Granted Feb 24, 1987·126 cites·17 claims
- 0293US4699975AProcess for producing readily crystallizable arylenesulfide resin composition containing organic acid or anhydrideKUREHA CHEMICAL IND CO LTD·Filed 1986·Granted Oct 13, 1987·56 cites·8 claims
- 0392US4814430AProcess for producing poly(arylene sulfide) of reduced alkali metal contentKUREHA CHEMICAL IND CO LTD·Filed 1987·Granted Mar 21, 1989·52 cites·8 claims
- 0492US4794164AProcess for producing a polyarylene sulfide of excellent handling property and a polyarylene sulfide produced by the process thereofKUREHA CHEMICAL IND CO LTD·Filed 1987·Granted Dec 27, 1988·53 cites·12 claims
- 0591US4745167APolyarylene sulfide preparation in titanium reaction vessel with two distinct temperature rangesKUREHA CHEMICAL IND CO LTD·Filed 1986·Granted May 17, 1988·47 cites·12 claims
- 0689US4895892AMelt-stable poly(arylene thioether-ketone) compositionsKUREHA CHEMICAL IND CO LTD·Filed 1988·Granted Jan 23, 1990·42 cites·10 claims
- 0787US4315081AAntistatic resin compositionKUREHA CHEMICAL IND CO LTD·Filed 1981·Granted Feb 9, 1982·43 cites·9 claims
- 0886US4812539APolyarylene sulfide preparation in titanium reaction vessel with two distinct temperature rangesKUREHA CHEMICAL IND CO LTD·Filed 1987·Granted Mar 14, 1989·29 cites·3 claims
- 0982US4975479AHeat-resistant thermoplastic resin compositionKUREHA CHEMICAL IND CO LTD·Filed 1989·Granted Dec 4, 1990·32 cites·15 claims
- 1082US4935473APolyphenylene sulfide composition and method of producing the sameKUREHA CHEMICAL IND CO LTD·Filed 1988·Granted Jun 19, 1990·27 cites·20 claims
- 1181US4795671APara-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
- 1280US4613654APolyarylenesulfide complexes, processes for production and uses thereofKUREHA CHEMICAL IND CO LTD·Filed 1985·Granted Sep 23, 1986·26 cites·4 claims
- 1379US4931516AProcess for producing polyarylene sulfide in titanium vessel with addition of waterKUREHA CHEMICAL IND CO LTD·Filed 1989·Granted Jun 5, 1990·20 cites·3 claims
- 1478US4820759APolyarylene thiother compositionKUREHA CHEMICAL IND CO LTD·Filed 1987·Granted Apr 11, 1989·28 cites·9 claims
- 1575US4785057APara-phenylene sulfide block copolymer, process for the production of the sameKUREHA KAGAWA KOGYO KABUSHIKI·Filed 1986·Granted Nov 15, 1988·33 cites·69 claims
- 1675US4659789APhenylene sulfide resin compositionsKUREHA CHEMICAL IND CO LTD·Filed 1986·Granted Apr 21, 1987·20 cites·13 claims
- 1774US5179194AProcess for production of polyarylenesulfidesKUREHA CHEMICAL IND CO LTD·Filed 1991·Granted Jan 12, 1993·21 cites·7 claims
- 1873US4895924APoly(arylene thioether-ketone) fibers and production process thereofKUREHA CHEMICAL IND CO LTD·Filed 1988·Granted Jan 23, 1990·23 cites·9 claims
- 1970US5021523APolymer alloy of polyarylene thioether and a process for producing the sameKUREHA CHEMICAL IND CO LTD·Filed 1988·Granted Jun 4, 1991·16 cites·8 claims
- 2070US4897238AStretched poly(arylene thioether-ketone) films and production process thereofKUREHA CHEMICAL IND CO LTD·Filed 1989·Granted Jan 30, 1990·17 cites·4 claims
- 2169US4826906APoly(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
- 2268US4980114AStretched poly(arylene thioether) block copolymer films and production process thereofKUREHA CHEMICAL IND CO LTD·Filed 1990·Granted Dec 25, 1990·19 cites·6 claims
- 2368US4021509AProduction of impact-resistant, thermoplastic resin compositionsKUREHA CHEMICAL IND CO LTD·Filed 1975·Granted May 3, 1977·19 cites·6 claims
- 2466US4886871AMelt-stable poly(arylene thioetherketone) and production process thereofKUREHA CHEMICAL IND CO LTD·Filed 1989·Granted Dec 12, 1989·13 cites·11 claims
- 2565US4431772AVinyl chloride resin compositionKUREHA CHEMICAL IND CO LTD·Filed 1982·Granted Feb 14, 1984·18 cites·18 claims
- 2664US4868240APolyarylene thioether of high crystallizing rate and a process for producing the sameKUREHA CHEMICAL IND CO LTD·Filed 1987·Granted Sep 19, 1989·13 cites·15 claims
- 2763US4895925AMelt-stable poly(arylene thioether-ketone) and production process thereofKUREHA CHEMICAL IND CO LTD·Filed 1988·Granted Jan 23, 1990·11 cites·4 claims
- 2859US4960555APoly (arylene thioether) block copolymer fibers and production process thereofKUREHA KAGAKU KOGHO K K·Filed 1990·Granted Oct 2, 1990·12 cites·5 claims
- 2957US5200500AProcess for the preparation of cross-linked polyarylene sulfideKUREHA CHEMICAL IND CO LTD·Filed 1990·Granted Apr 6, 1993·11 cites·4 claims
- 3057US5110681AMelt-stable poly(arylene thioether-ketone) prepregs and molded or formed products thereofKUREHA CHEMICAL IND CO LTD·Filed 1988·Granted May 5, 1992·15 cites·23 claims
- 3157US4746698AMethod of preventing corrosion of apparatus for melt-processing polyarylene thioethersKUREHA CHEMICAL IND CO LTD·Filed 1986·Granted May 24, 1988·10 cites·11 claims
- 3257US4352910AVinyl chloride resin composition with multi-stage impact modifierKUREHA CHEMICAL IND CO LTD·Filed 1981·Granted Oct 5, 1982·13 cites·13 claims
- 3355US5283286AImpact-resistant thermoplastic resin composition containing a grafted butadiene rubberKUREHA CHEMICAL IND CO LTD·Filed 1992·Granted Feb 1, 1994·13 cites·14 claims
- 3455US5268451AProcess for the preparation of cross-linked polyarylene sulfideKUREHA CHEMICAL IND CO LTD·Filed 1992·Granted Dec 7, 1993·10 cites·4 claims
- 3555US5008370APoly(arylene thioether-ketones) improved in melt stability and preparation process thereofKUREHA CHEMICAL IND CO LTD·Filed 1989·Granted Apr 16, 1991·9 cites·5 claims
- 3655US4962143APoly(arylene thioether) block copolymer fibers and production process thereofKUREHA CHEMICAL IND CO LTD·Filed 1989·Granted Oct 9, 1990·10 cites·8 claims
- 3754US3956424APhoto-degradable resin compositionKUREHA CHEMICAL IND CO LTD·Filed 1973·Granted May 11, 1976·11 cites·8 claims
- 3853US4837294APolyarylene thioether composition containing polyarylene ether nucleating agentKUREHA CHEMICAL IND CO LTD·Filed 1988·Granted Jun 6, 1989·11 cites·10 claims
- 3953US4636553AThermoplastic resin compositionKUREHA CHEMICAL IND CO LTD·Filed 1984·Granted Jan 13, 1987·10 cites·10 claims
- 4052US4895893AHeat-resistant resin compositions, and heat-resistant molded or formed articles and production process thereofKUREHA CHEMICAL IND CO LTD·Filed 1988·Granted Jan 23, 1990·9 cites·10 claims
- 4152US4873283AMolded or formed poly(arylene thioether-ketone) articlesKUREHA CHEMICAL IND CO LTD·Filed 1988·Granted Oct 10, 1989·12 cites·16 claims
- 4249US5286814AHeat-resistant stretched film and production process thereofKUREHA CHEMICAL IND CO LTD·Filed 1991·Granted Feb 15, 1994·7 cites·4 claims
- 4347US4895912AStretched poly(arylene thioether-ketone) films and production process thereofKUREHA CHEMICAL IND CO LTD·Filed 1988·Granted Jan 23, 1990·9 cites·12 claims
- 4447US4748205AThermoplastic resin compositionKUREHA CHEMICAL IND CO LTD·Filed 1987·Granted May 31, 1988·7 cites·10 claims
- 4545US5120808APoly(arylene thioether) block copolymer and production process thereofKUREHA CHEMICAL IND CO LTD·Filed 1989·Granted Jun 9, 1992·6 cites·6 claims
- 4642US4960806AStretched poly(arylene thioether) block copolymer films and production process thereofKUREHA CHEMICAL IND CO LTD·Filed 1989·Granted Oct 2, 1990·8 cites·8 claims
- 4742US4863669AProcess for forming polyarylenethioether stretched blow-molded vesselKUREHA CHEMICAL IND CO LTD·Filed 1988·Granted Sep 5, 1989·9 cites·4 claims
- 4838US5045630APoly(arylene thioether-ketones) improved in melt stability and preparation process thereofKUREHA CHEMICAL IND CO LTD·Filed 1991·Granted Sep 3, 1991·3 cites·5 claims
- 4938US4895691APoly(arylene thioether-ketone) fibers and production process thereofKUREHA CHEMICAL IND CO LTD·Filed 1989·Granted Jan 23, 1990·4 cites·6 claims
- 5038US4801416ATransparent 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
Showing the top 50 of 64 patent records by PatentIndex Score.
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