P

Inventor

HIJIKATA KENJI

JP75 patents
⚠️ This page may combine multiple inventors who share the name “HIJIKATA KENJI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

POLYPLASTICS CO

40 patents
US4772422ASep 20, 1988

Electrically conductive resin composition

POLYPLASTICS CO53 citations96
US5354802AOct 11, 1994

Resin composition for blow molding and blow molded item made therefrom

POLYPLASTICS CO23 citations92
US5300332AApr 5, 1994

Melt-stable copolyester resins and molded articles thereof

POLYPLASTICS CO20 citations92
US5173357ADec 22, 1992

Tear-resistant polyester film and laminated sheets comprised of the same

POLYPLASTICS CO33 citations92
US5086158AFeb 4, 1992

Polyester resin exhibiting anisotropy in a molten state and resin composition

POLYPLASTICS CO32 citations92
US4983713AJan 8, 1991

Polyester resin exhibiting optical anisotropy in molten state containing minor amounts of 6-oxy-2-naphthoyl units

POLYPLASTICS CO31 citations92
US4959404ASep 25, 1990

Thermoplastic resin composition

POLYPLASTICS CO29 citations92
US4904752AFeb 27, 1990

Liquid crystal copolyester having blocked molecular chain terminal

POLYPLASTICS CO33 citations92
US4864013ASep 5, 1989

Resin having excellent heat resistance and exhibiting anisotropy in molten state

POLYPLASTICS CO27 citations92
US4777204AOct 11, 1988

Gear comprising fiber-reinforced anisotropic melt-forming polymer formed via injection molding under specified conditions

POLYPLASTICS CO30 citations92
US4772421ASep 20, 1988

Process for producing electroconductive resin composite

POLYPLASTICS CO38 citations92
US4737398AApr 12, 1988

Metallic film with laminated layer of an anisotropic melt phase forming polymer

POLYPLASTICS CO32 citations92
US5523135AJun 4, 1996

Blow-moldable polyester resin composition, and blow molded articles thereof

POLYPLASTICS CO33 citations89
US4954540ASep 4, 1990

Halogen-contained polyester resin composite and electric wire

POLYPLASTICS CO20 citations82
US4726998AFeb 23, 1988

Magnetic disk

POLYPLASTICS CO21 citations82
US5179192AJan 12, 1993

Polyester which exhibits melt anisotropy

POLYPLASTICS CO19 citations81
US5039760AAug 13, 1991

Polyester resin composition

POLYPLASTICS CO21 citations81
US5264516ANov 23, 1993

Silicon containing polyacetal copolymer and manufacturing method thereof

POLYPLASTICS CO7 citations74
US5079284AJan 7, 1992

Resin modifier and modified resin

POLYPLASTICS CO9 citations74
US5017304AMay 21, 1991

Liquid-crystalline polymer

POLYPLASTICS CO15 citations74
US5006581AApr 9, 1991

Synthetic resin composition

POLYPLASTICS CO9 citations74
US4937310AJun 26, 1990

Polyester resin exhibiting optical anisotropy in molten state and composition thereof

POLYPLASTICS CO13 citations74
US4920197AApr 24, 1990

Polyester resin exhibiting optical anisotropy in molten state which contains a low concentration of 6-oxy-2-naphthoyl units and composition thereof

POLYPLASTICS CO8 citations74
US4918154AApr 17, 1990

Polyester resin exhibiting optical anisotropy in molten state and composition thereof

POLYPLASTICS CO11 citations74
US4767830AAug 30, 1988

Process for preparation of copolyester

POLYPLASTICS CO12 citations74
US4758636AJul 19, 1988

Polyester composition

POLYPLASTICS CO14 citations74
US5391689AFeb 21, 1995

Aromatic polyester and polyester resin composition

POLYPLASTICS CO14 citations73
US5302690AApr 12, 1994

Process for preparing polyester resin and the polyester resin thereby prepared

POLYPLASTICS CO13 citations73
US5233016AAug 3, 1993

Melt-stable copolyester molding resins, process for making same, and molded articles formed thereof

POLYPLASTICS CO10 citations73
US5182359AJan 26, 1993

Melt-stable polyester resins and molded articles thereof

POLYPLASTICS CO10 citations73
US5101009AMar 31, 1992

Copolyester resins and methods of making the same

POLYPLASTICS CO10 citations73
US5068052ANov 26, 1991

Resin composition containing smectic liquid crystal

POLYPLASTICS CO12 citations73
US5021545AJun 4, 1991

Flame-retardant halogenated copolyester and electric wire coated with the same

POLYPLASTICS CO7 citations73
US5021295AJun 4, 1991

Flame-retardant halogenated polyester resin composition and electric wire coated with the same

POLYPLASTICS CO13 citations73
US4954541ASep 4, 1990

Flame-retardant resin composition and electric wire

POLYPLASTICS CO13 citations73
US4792587ADec 20, 1988

Resin composition which exhibits anisotropism when melted

POLYPLASTICS CO16 citations73
US5183878AFeb 2, 1993

Easily processable, wholly aromatic polyester

POLYPLASTICS CO8 citations72
US4913964AApr 3, 1990

Covering material for electric transmission lines, and electric transmission line

POLYPLASTICS CO10 citations70
US5183623AFeb 2, 1993

Process for producing transparent and heat-resistant polyester containers

POLYPLASTICS CO19 citations69
US5049643ASep 17, 1991

Wholly aromatic polyester from mixture of naphthalene dicarboxylic acid

POLYPLASTICS CO3 citations63

FUJI HEAVY IND LTD

5 patents

MITSUBISHI PETROCHEMICAL CO

2 patents

HOECHST CELANESE CORP

1 patent

CELANESE CORP

1 patent

POLYPLASTICS CO INC

1 patent

Showing the top 50 of 75 patents by PatentIndex Score.