Inventor · disambiguated record
Zenya Shiiki
Also filed as: SHIIKI ZENYA
73 granted patents·1,654 citations·filing 1974–2000
99Inventor score
Files withKUREHA CHEMICAL IND CO LTD68KUREHA KABAKU KOGYO K K1KUREHA KAGAKU KAGYO KK1KUREHA KAGAKU KOGHO K K1KUREHA KAGAWA KOGYO KABUSHIKI1
Top patents by PatentIndex Score
73 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
- 0293US4273675AProcess for the preparation of spherical carbon particles and spherical activated carbon particlesKUREHA CHEMICAL IND CO LTD·Filed 1979·Granted Jun 16, 1981·43 cites·8 claims
- 0393US4045368AProcess for production of activated carbon spheresKUREHA CHEMICAL IND CO LTD·Filed 1974·Granted Aug 30, 1977·55 cites·6 claims
- 0492US4814430AProcess for producing poly(arylene sulfide) of reduced alkali metal contentKUREHA CHEMICAL IND CO LTD·Filed 1987·Granted Mar 21, 1989·52 cites·8 claims
- 0592US4794164AProcess 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
- 0691US4745167APolyarylene 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
- 0789US5853639AOriented polyglycolic acid film and production process thereofKUREHA CHEMICAL IND CO LTD·Filed 1997·Granted Dec 29, 1998·67 cites·21 claims
- 0889US4895892AMelt-stable poly(arylene thioether-ketone) compositionsKUREHA CHEMICAL IND CO LTD·Filed 1988·Granted Jan 23, 1990·42 cites·10 claims
- 0989US3953345AMethod for the production of activated carbon spheres containing nitrogenKUREHA CHEMICAL IND CO LTD·Filed 1974·Granted Apr 27, 1976·45 cites·17 claims
- 1088US6159416AStretch blow molded container and production process thereofKUREHA CHEMICAL IND CO LTD·Filed 1999·Granted Dec 12, 2000·52 cites·20 claims
- 1187US6673403B1Gas-barrier, multi-layer hollow containerKUREHA CHEMICAL IND CO LTD·Filed 1997·Granted Jan 6, 2004·55 cites·17 claims
- 1287US6001439AStretch blow molded container and production process thereofKUREHA CHEMICAL IND CO LTD·Filed 1997·Granted Dec 14, 1999·51 cites·18 claims
- 1386US6245437B1Gas-barrier composite filmKUREHA CHEMICAL IND CO LTD·Filed 1997·Granted Jun 12, 2001·93 cites·17 claims
- 1486US4812539APolyarylene 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
- 1586US4495332AProcess for producing aromatic sulfide polymersKUREHA CHEMICAL IND CO LTD·Filed 1983·Granted Jan 22, 1985·34 cites·11 claims
- 1684US4537953AProcess 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
- 1783US4451640AProcess for producing aromatic sulfide polymerKUREHA CHEMICAL IND CO LTD·Filed 1983·Granted May 29, 1984·29 cites·6 claims
- 1882US5830991APreparation process and purification process of dimeric cyclic ester of hydroxycarboxylic acidKUREHA KAGAKU KAGYO KK·Filed 1997·Granted Nov 3, 1998·35 cites·21 claims
- 1982US4975479AHeat-resistant thermoplastic resin compositionKUREHA CHEMICAL IND CO LTD·Filed 1989·Granted Dec 4, 1990·32 cites·15 claims
- 2082US4769426AProcess for preparation of polyarylene thioethers having high melt crystallization temperatureKUREHA CHEMICAL IND CO LTD·Filed 1986·Granted Sep 6, 1988·28 cites·4 claims
- 2181US4910086AResin coated metal bodyKUREHA CHEMICAL IND CO LTD·Filed 1988·Granted Mar 20, 1990·32 cites·11 claims
- 2281US4795671APara-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
- 2380US4613654APolyarylenesulfide complexes, processes for production and uses thereofKUREHA CHEMICAL IND CO LTD·Filed 1985·Granted Sep 23, 1986·26 cites·4 claims
- 2479US4931516AProcess 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
- 2579US4514558AProcess 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
- 2678US4820759APolyarylene thiother compositionKUREHA CHEMICAL IND CO LTD·Filed 1987·Granted Apr 11, 1989·28 cites·9 claims
- 2777US4292285AMethod for removing compounds with offensive odor from a gas containing the sameTAIYO KAKEN COMPANY LTD·Filed 1979·Granted Sep 29, 1981·33 cites·8 claims
- 2875US6183679B1Production process for injection-molded product of polyglycolic acidKUREHA CHEMICAL IND CO LTD·Filed 2000·Granted Feb 6, 2001·10 cites·4 claims
- 2975US4785057APara-phenylene sulfide block copolymer, process for the production of the sameKUREHA KAGAWA KOGYO KABUSHIKI·Filed 1986·Granted Nov 15, 1988·33 cites·69 claims
- 3073US4895924APoly(arylene thioether-ketone) fibers and production process thereofKUREHA CHEMICAL IND CO LTD·Filed 1988·Granted Jan 23, 1990·23 cites·9 claims
- 3172US4009232AMethod for the production of carbon microspheres 1-20 μ in diameterKUREHA CHEMICAL IND CO LTD·Filed 1974·Granted Feb 22, 1977·17 cites·13 claims
- 3270US4897238AStretched poly(arylene thioether-ketone) films and production process thereofKUREHA CHEMICAL IND CO LTD·Filed 1989·Granted Jan 30, 1990·17 cites·4 claims
- 3369US4826906APoly(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
- 3469US4761468AProcess 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
- 3568US5688586APoly(ethylene oxalate), product formed of molded therefrom and production process of poly(ethylene oxalate)KUREHA CHEMICAL IND CO LTD·Filed 1996·Granted Nov 18, 1997·20 cites·23 claims
- 3668US4980114AStretched poly(arylene thioether) block copolymer films and production process thereofKUREHA CHEMICAL IND CO LTD·Filed 1990·Granted Dec 25, 1990·19 cites·6 claims
- 3766US5908917APolyglycolic acid sheet and production process thereofKUREHA CHEMICAL IND CO LTD·Filed 1997·Granted Jun 1, 1999·22 cites·19 claims
- 3866US4886871AMelt-stable poly(arylene thioetherketone) and production process thereofKUREHA CHEMICAL IND CO LTD·Filed 1989·Granted Dec 12, 1989·13 cites·11 claims
- 3964US4868240APolyarylene 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
- 4063US4895925AMelt-stable poly(arylene thioether-ketone) and production process thereofKUREHA CHEMICAL IND CO LTD·Filed 1988·Granted Jan 23, 1990·11 cites·4 claims
- 4162US6046251AInjection-molded product of polyglycolic acid and production process thereofKUREHA CHEMICAL IND CO LTD·Filed 1997·Granted Apr 4, 2000·18 cites·8 claims
- 4259US4960555APoly (arylene thioether) block copolymer fibers and production process thereofKUREHA KAGAKU KOGHO K K·Filed 1990·Granted Oct 2, 1990·12 cites·5 claims
- 4358US4810566AHighly crystallized molded polyarylene thioether and process for producing itKUREHA CHEMICAL IND CO LTD·Filed 1988·Granted Mar 7, 1989·15 cites·5 claims
- 4457US5110681AMelt-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
- 4557US4746698AMethod of preventing corrosion of apparatus for melt-processing polyarylene thioethersKUREHA CHEMICAL IND CO LTD·Filed 1986·Granted May 24, 1988·10 cites·11 claims
- 4657US4352910AVinyl chloride resin composition with multi-stage impact modifierKUREHA CHEMICAL IND CO LTD·Filed 1981·Granted Oct 5, 1982·13 cites·13 claims
- 4755US4962143APoly(arylene thioether) block copolymer fibers and production process thereofKUREHA CHEMICAL IND CO LTD·Filed 1989·Granted Oct 9, 1990·10 cites·8 claims
- 4853US5312894AGranular high-melt-stable poly(arylene thioether-ketone) and production process thereofKUREHA CHEMICAL IND CO LTD·Filed 1993·Granted May 17, 1994·8 cites·3 claims
- 4953US4636553AThermoplastic resin compositionKUREHA CHEMICAL IND CO LTD·Filed 1984·Granted Jan 13, 1987·10 cites·10 claims
- 5052US4895893AHeat-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
Showing the top 50 of 73 patent records by PatentIndex Score.
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