Inventor · disambiguated record
Yo Iizuka
Also filed as: IIZUKA YO · MIDORIKAWA SUSUMU
43 granted patents·875 citations·filing 1973–1992
98Inventor score
Top patents by PatentIndex Score
43 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
- 0292US4814430AProcess for producing poly(arylene sulfide) of reduced alkali metal contentKUREHA CHEMICAL IND CO LTD·Filed 1987·Granted Mar 21, 1989·52 cites·8 claims
- 0392US4794164AProcess 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
- 0491US4745167APolyarylene 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
- 0589US4895892AMelt-stable poly(arylene thioether-ketone) compositionsKUREHA CHEMICAL IND CO LTD·Filed 1988·Granted Jan 23, 1990·42 cites·10 claims
- 0686US4812539APolyarylene 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
- 0786US4495332AProcess for producing aromatic sulfide polymersKUREHA CHEMICAL IND CO LTD·Filed 1983·Granted Jan 22, 1985·34 cites·11 claims
- 0884US4537953AProcess for producing aromatic sulfide polymer with alkaline earth metal oxide dehydrating agentKUREHA CHEMICAL IND CO LTD·Filed 1984·Granted Aug 27, 1985·30 cites·8 claims
- 0982US4769426AProcess for preparation of polyarylene thioethers having high melt crystallization temperatureKUREHA CHEMICAL IND CO LTD·Filed 1986·Granted Sep 6, 1988·28 cites·4 claims
- 1081US4795671APara-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
- 1179US4931516AProcess 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
- 1279US4514558AProcess for producing aromatic sulfide polymer with anhydrous amorphous vitreous complex dehalogenation agentKUREHA CHEMICAL IND CO LTD·Filed 1983·Granted Apr 30, 1985·25 cites·9 claims
- 1375US4785057APara-phenylene sulfide block copolymer, process for the production of the sameKUREHA KAGAWA KOGYO KABUSHIKI·Filed 1986·Granted Nov 15, 1988·33 cites·69 claims
- 1475US4659789APhenylene sulfide resin compositionsKUREHA CHEMICAL IND CO LTD·Filed 1986·Granted Apr 21, 1987·20 cites·13 claims
- 1574US5179194AProcess for production of polyarylenesulfidesKUREHA CHEMICAL IND CO LTD·Filed 1991·Granted Jan 12, 1993·21 cites·7 claims
- 1673US4895924APoly(arylene thioether-ketone) fibers and production process thereofKUREHA CHEMICAL IND CO LTD·Filed 1988·Granted Jan 23, 1990·23 cites·9 claims
- 1770US5021523APolymer 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
- 1870US4897238AStretched poly(arylene thioether-ketone) films and production process thereofKUREHA CHEMICAL IND CO LTD·Filed 1989·Granted Jan 30, 1990·17 cites·4 claims
- 1969US4826906APoly(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
- 2069US4761468AProcess for preparing polyarylene thioether having thiol/thiolate end group concentration of 10 micro mole/g or lessKUREHA CHEMICAL IND CO LTD·Filed 1987·Granted Aug 2, 1988·16 cites·9 claims
- 2168US4021509AProduction of impact-resistant, thermoplastic resin compositionsKUREHA CHEMICAL IND CO LTD·Filed 1975·Granted May 3, 1977·19 cites·6 claims
- 2266US4886871AMelt-stable poly(arylene thioetherketone) and production process thereofKUREHA CHEMICAL IND CO LTD·Filed 1989·Granted Dec 12, 1989·13 cites·11 claims
- 2363US4895925AMelt-stable poly(arylene thioether-ketone) and production process thereofKUREHA CHEMICAL IND CO LTD·Filed 1988·Granted Jan 23, 1990·11 cites·4 claims
- 2458US4206292AVinyl chloride resin composition containing polymeric processing aidKUREHA CHEMICAL IND CO LTD·Filed 1979·Granted Jun 3, 1980·13 cites·8 claims
- 2557US5200500AProcess for the preparation of cross-linked polyarylene sulfideKUREHA CHEMICAL IND CO LTD·Filed 1990·Granted Apr 6, 1993·11 cites·4 claims
- 2656US4777228ABiaxially oriented paraphenylene sulfide block copolymer film and process for producing the sameKUREHA CHEMICAL IND CO LTD·Filed 1986·Granted Oct 11, 1988·14 cites·16 claims
- 2755US5268451AProcess for the preparation of cross-linked polyarylene sulfideKUREHA CHEMICAL IND CO LTD·Filed 1992·Granted Dec 7, 1993·10 cites·4 claims
- 2854US3956424APhoto-degradable resin compositionKUREHA CHEMICAL IND CO LTD·Filed 1973·Granted May 11, 1976·11 cites·8 claims
- 2952US4895893AHeat-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
- 3052US4873283AMolded or formed poly(arylene thioether-ketone) articlesKUREHA CHEMICAL IND CO LTD·Filed 1988·Granted Oct 10, 1989·12 cites·16 claims
- 3147US4895912AStretched poly(arylene thioether-ketone) films and production process thereofKUREHA CHEMICAL IND CO LTD·Filed 1988·Granted Jan 23, 1990·9 cites·12 claims
- 3245US4268636AVinyl chloride resin composition with processing aidKUREHA CHEMICAL IND CO LTD·Filed 1979·Granted May 19, 1981·9 cites·7 claims
- 3344US4956499APolyarylene thioether composition for moldingKUREHA CHEMICAL IND CO LTD·Filed 1988·Granted Sep 11, 1990·8 cites·7 claims
- 3442US4863669AProcess for forming polyarylenethioether stretched blow-molded vesselKUREHA CHEMICAL IND CO LTD·Filed 1988·Granted Sep 5, 1989·9 cites·4 claims
- 3540US4337324AVinyl chloride resin compositionKUREHA CHEMICAL IND CO LTD·Filed 1981·Granted Jun 29, 1982·7 cites·7 claims
- 3638US4895691APoly(arylene thioether-ketone) fibers and production process thereofKUREHA CHEMICAL IND CO LTD·Filed 1989·Granted Jan 23, 1990·4 cites·6 claims
- 3738US4801416ATransparent 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
- 3837US4774298AProcess for producing biaxially oriented paraphenylene sulfide block copolymer filmKUREHA CHEMICAL IND CO LTD·Filed 1986·Granted Sep 27, 1988·6 cites·5 claims
- 3936US5085819AHeat-resistant resin compositions, and heat-resistant molded or formed articles and production process thereofKUREHA KABAKU KOGYO K K·Filed 1989·Granted Feb 4, 1992·6 cites·6 claims
- 4036US4985512AHigh-lubricity filmKUREHA CHEMICAL IND CO LTD·Filed 1988·Granted Jan 15, 1991·4 cites·8 claims
- 4136US4277573AVinyl chloride resin and alkyl methacrylate resin processing aid compositionKUREHA CHEMICAL IND CO LTD·Filed 1979·Granted Jul 7, 1981·6 cites·10 claims
- 4234US4816335AHigh-quality polyarylene-thioether fibers and method for production thereofKUREHA CHEMICAL IND CO LTD·Filed 1986·Granted Mar 28, 1989·5 cites·3 claims
- 4329US5134206APolymer alloy of polyarylene thioether and a process for producing the sameKUREHA CHEMICAL IND CO LTD·Filed 1991·Granted Jul 28, 1992·0 cites·10 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →