P

Inventor

KAWAKAMI YUKICHIKA

JP39 patents
⚠️ This page may combine multiple inventors who share the name “KAWAKAMI YUKICHIKA”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

KUREHA CHEMICAL IND CO LTD

33 patents
US6245437B1Jun 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
US5688586ANov 18, 1997

Poly(ethylene oxalate), product formed of molded therefrom and production process of poly(ethylene oxalate)

KUREHA CHEMICAL IND CO LTD20 citations93
US5179194AJan 12, 1993

Process for production of polyarylenesulfides

KUREHA CHEMICAL IND CO LTD21 citations93
US4910086AMar 20, 1990

Resin coated metal body

KUREHA CHEMICAL IND CO LTD32 citations93
US4537953AAug 27, 1985

Process for producing aromatic sulfide polymer with alkaline earth metal oxide dehydrating agent

KUREHA CHEMICAL IND CO LTD30 citations93
US4495332AJan 22, 1985

Process for producing aromatic sulfide polymers

KUREHA CHEMICAL IND CO LTD34 citations93
US4451640AMay 29, 1984

Process for producing aromatic sulfide polymer

KUREHA CHEMICAL IND CO LTD29 citations93
US6916939B2Jul 12, 2005

Process for the preparation of cyclic esters and method for purification of the same

KUREHA CHEMICAL IND CO LTD46 citations92
US6852827B2Feb 8, 2005

Polyester production process and reactor apparatus

KUREHA CHEMICAL IND CO LTD18 citations92
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
US6891048B2May 10, 2005

Glycolide production process, and glycolic acid composition

KUREHA CHEMICAL IND CO LTD16 citations84
US4514558AApr 30, 1985

Process for producing aromatic sulfide polymer with anhydrous amorphous vitreous complex dehalogenation agent

KUREHA CHEMICAL IND CO LTD25 citations82
US4154876AMay 15, 1979

Coating with fluoroethylene resins

KUREHA CHEMICAL IND CO LTD26 citations78
US6183679B1Feb 6, 2001

Production process for injection-molded product of polyglycolic acid

KUREHA CHEMICAL IND CO LTD10 citations74
US5312894AMay 17, 1994

Granular high-melt-stable poly(arylene thioether-ketone) and production process thereof

KUREHA CHEMICAL IND CO LTD8 citations74
US5262517ANov 16, 1993

Production processes of arylene thioether oligomer and copolymer

KUREHA CHEMICAL IND CO LTD4 citations74
US4810566AMar 7, 1989

Highly crystallized molded polyarylene thioether and process for producing it

KUREHA CHEMICAL IND CO LTD15 citations74
US5436300AJul 25, 1995

Composition comprising polyarylene sulfide and polyamide composition

KUREHA CHEMICAL IND CO LTD16 citations72
US4956499ASep 11, 1990

Polyarylene thioether composition for molding

KUREHA CHEMICAL IND CO LTD8 citations71
US5369191ANov 29, 1994

Aromatic thioether ketone/thioether sulfone copolymer and production process thereof

KUREHA CHEMICAL IND CO LTD4 citations63
US5200501AApr 6, 1993

Easily-slidable polyarylene thioether film and process for producing the same

KUREHA CHEMICAL IND CO LTD3 citations63
US5137992AAug 11, 1992

Process for producing an easily-slidable polyarylene thioether film

KUREHA CHEMICAL IND CO LTD4 citations63
US5605987AFeb 25, 1997

Production process of alkylene thioether-arylene thioether copolymer

KUREHA CHEMICAL IND CO LTD1 citations52
US5408014AApr 18, 1995

Aromatic thioether ketone/thioether sulfone copolymer products

KUREHA CHEMICAL IND CO LTD0 citations52
US5312880AMay 17, 1994

Production processes of arylene thioether oligomer and copolymer

KUREHA CHEMICAL IND CO LTD0 citations52
US5304630AApr 19, 1994

Production processes of arylene thioether oligomer and copolymer

KUREHA CHEMICAL IND CO LTD0 citations52
US5256763AOct 26, 1993

Process for production of poly(arylene thioether) copolymer

KUREHA CHEMICAL IND CO LTD1 citations52
US5324814AJun 28, 1994

Production process of arylene thioether copolymer

KUREHA CHEMICAL IND CO LTD0 citations42

KUREHA CORP

3 patents

KUREHA KAGAKU KAGYO KK

1 patent

SATO HIROYUKI

1 patent

KAWAKAMI YUKICHIKA

1 patent