Inventor
KOUYAMA TOSHITAKA
JP27 patents
⚠️ This page may combine multiple inventors who share the name “KOUYAMA TOSHITAKA”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
KUREHA CHEMICAL IND CO LTD
26 patentsUS6245437B1Jun 12, 2001
Gas-barrier composite film
KUREHA CHEMICAL IND CO LTD93 citations98
US6673403B1Jan 6, 2004
Gas-barrier, multi-layer hollow container
KUREHA CHEMICAL IND CO LTD55 citations96
US6159416ADec 12, 2000
Stretch blow molded container and production process thereof
KUREHA CHEMICAL IND CO LTD52 citations96
US6001439ADec 14, 1999
Stretch blow molded container and production process thereof
KUREHA CHEMICAL IND CO LTD51 citations96
US5853639ADec 29, 1998
Oriented polyglycolic acid film and production process thereof
KUREHA CHEMICAL IND CO LTD67 citations96
US4895892AJan 23, 1990
Melt-stable poly(arylene thioether-ketone) compositions
KUREHA CHEMICAL IND CO LTD42 citations93
US4895924AJan 23, 1990
Poly(arylene thioether-ketone) fibers and production process thereof
KUREHA CHEMICAL IND CO LTD23 citations93
US4795671AJan 3, 1989
Para-phenylene sulfide block copolymers, process for the production of the same and use thereof
KUREHA CHEMICAL IND CO LTD24 citations93
US6046251AApr 4, 2000
Injection-molded product of polyglycolic acid and production process thereof
KUREHA CHEMICAL IND CO LTD18 citations92
US5908917AJun 1, 1999
Polyglycolic acid sheet and production process thereof
KUREHA CHEMICAL IND CO LTD22 citations92
US4769426ASep 6, 1988
Process for preparation of polyarylene thioethers having high melt crystallization temperature
KUREHA CHEMICAL IND CO LTD28 citations92
US4613654ASep 23, 1986
Polyarylenesulfide complexes, processes for production and uses thereof
KUREHA CHEMICAL IND CO LTD26 citations92
US4826906AMay 2, 1989
Poly(arylene thioether-ketone) compositions improved in both melt stability and crystallinity
KUREHA CHEMICAL IND CO LTD20 citations82
US4659789AApr 21, 1987
Phenylene sulfide resin compositions
KUREHA CHEMICAL IND CO LTD20 citations82
US6183679B1Feb 6, 2001
Production process for injection-molded product of polyglycolic acid
KUREHA CHEMICAL IND CO LTD10 citations74
US4897238AJan 30, 1990
Stretched poly(arylene thioether-ketone) films and production process thereof
KUREHA CHEMICAL IND CO LTD17 citations74
US4895912AJan 23, 1990
Stretched poly(arylene thioether-ketone) films and production process thereof
KUREHA CHEMICAL IND CO LTD9 citations74
US4873283AOct 10, 1989
Molded or formed poly(arylene thioether-ketone) articles
KUREHA CHEMICAL IND CO LTD12 citations74
US4863669ASep 5, 1989
Process for forming polyarylenethioether stretched blow-molded vessel
KUREHA CHEMICAL IND CO LTD9 citations74
US4746698AMay 24, 1988
Method of preventing corrosion of apparatus for melt-processing polyarylene thioethers
KUREHA CHEMICAL IND CO LTD10 citations74
US5474828ADec 12, 1995
Electronic device sealing resin compositions and sealed electronic devices
KUREHA CHEMICAL IND CO LTD6 citations73
US4895691AJan 23, 1990
Poly(arylene thioether-ketone) fibers and production process thereof
KUREHA CHEMICAL IND CO LTD4 citations63
US4801416AJan 31, 1989
Transparent and little colored polyarylenethioether primary melt molding, preparation and utilization thereof
KUREHA CHEMICAL IND CO LTD3 citations63
US5332770AJul 26, 1994
Electronic device sealing resin compositions and sealed electronic devices
KUREHA CHEMICAL IND CO LTD2 citations62
US4921758AMay 1, 1990
Molded product of polyarylene thioether and the use thereof
KUREHA CHEMICAL IND CO LTD2 citations62
US5006591AApr 9, 1991
Polyarylene thioether composition and molded product thereof
KUREHA CHEMICAL IND CO LTD0 citations52