Japan Styrene Paper Corporation

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Tokyo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Apparatus for the production of foamed polyolefin sheets
- Patent number 5,281,119
- Issue date Jan 25, 1994
- Japan Styrene Paper Corporation
- Shoji Iwano
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Process for the production of foamed polyolefin sheets
- Patent number 5,281,377
- Issue date Jan 25, 1994
- Japan Styrene Paper Corporation
- Shoji Iwano
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Pre-foamed beads of polyethylene base resin
- Patent number 5,015,667
- Issue date May 14, 1991
- Japan Styrene Paper Corporation
- Shohei Yoshimura
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Pre-foamed particles of uncrosslinked, linear low-density polyethyl...
- Patent number 4,948,817
- Issue date Aug 14, 1990
- Japan Styrene Paper Corporation
- Hideki Kuwabara
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Production method of prefoamed particles of polyolefin resin
- Patent number 4,889,671
- Issue date Dec 26, 1989
- Japan Styrene Paper Corporation
- Hiroyuki Akiyama
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Polypropylene resin prefoamed particles
- Patent number 4,840,973
- Issue date Jun 20, 1989
- Japan Styrene Paper Corporation
- Hideki Kuwabara
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Method of production of expansion-molded article, from foamable the...
- Patent number 4,822,542
- Issue date Apr 18, 1989
- Japan Styrene Paper Corporation
- Hedeki Kuwabara
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Process for producing a foamed base material for car ceiling member
- Patent number 4,810,316
- Issue date Mar 7, 1989
- Japan Styrene Paper Corp.
- Kouichi Wakabayashi
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Method of producing a foamed, molded article
- Patent number 4,806,293
- Issue date Feb 21, 1989
- Japan Styrene Paper Corporation
- Hiroyuki Akiyama
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Core material for an automobile bumper
- Patent number RE32780
- Issue date Nov 8, 1988
- Japan Styrene Paper Corporation
- Shohei Yoshimura
- 428 - Stock material or miscellaneous articles
Information Patent Grant
Production method of expansion-molded article of polypropylene resin
- Patent number 4,777,000
- Issue date Oct 11, 1988
- Japan Styrene Paper Corporation
- Hideki Kuwabara
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Core material for automobile bumpers
- Patent number 4,756,948
- Issue date Jul 12, 1988
- Japan Styrene Paper Corporation
- Hiroyuki Kuramochi
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Production process of pre-foamed particles
- Patent number 4,749,725
- Issue date Jun 7, 1988
- Japan Styrene Paper Corp.
- Hiroyuki Akiyama
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Heat treatment apparatus for polyolefin resin particles
- Patent number 4,716,021
- Issue date Dec 29, 1987
- Japan Styrene Paper Corp.
- Hiroyuki Akiyama
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Casting method
- Patent number 4,711,287
- Issue date Dec 8, 1987
- Mitsubishi Jukogyo Kabushiki Kaisha
- Hideki Kuwabara
- B22 - CASTING POWDER METALLURGY
Information Patent Grant
Multi-conductor cable
- Patent number 4,707,569
- Issue date Nov 17, 1987
- Japan Styrene Paper Corporation
- Shohei Yoshimura
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Process for the production of expanded particles of a polymeric mat...
- Patent number 4,704,239
- Issue date Nov 3, 1987
- Japan Styrene Paper Corp.
- Shohei Yoshimura
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Propylene-base random copolymer particles and production process th...
- Patent number 4,692,507
- Issue date Sep 8, 1987
- Japan Styrene Paper Corporation
- Hiroyuki Akiyama
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Process for the production of expanded particles of a polypropylene...
- Patent number 4,676,939
- Issue date Jun 30, 1987
- Japan Styrene Paper Corporation
- Hideki Kuwabara
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Method for the preparation of a foamed article of a polyolefin resin
- Patent number 4,674,976
- Issue date Jun 23, 1987
- Japan Styrene Paper Corporation
- Junsuke Naohara
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Energy absorber
- Patent number 4,657,937
- Issue date Apr 14, 1987
- Japan Styrene Paper Corporation
- Hideki Kuwabara
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Pre-foamed particles of polyethylene resin
- Patent number 4,656,197
- Issue date Apr 7, 1987
- Japan Styrene Paper Corporation
- Shohei Yoshimura
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Process for producing polyethylene extruded foams
- Patent number 4,649,001
- Issue date Mar 10, 1987
- Japan Styrene Paper Corporation
- Hisao Nakamura
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Prefoamed particles of crosslinked propylene-type resin and molded...
- Patent number 4,617,323
- Issue date Oct 14, 1986
- Japan Styrene Paper Corporation
- Hideki Kuwabara
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Propylene-base random copolymer particles and production process th...
- Patent number 4,602,082
- Issue date Jul 22, 1986
- Japan Styrene Paper Corporation
- Hiroyuki Akiyama
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Core material for an automobile bumper
- Patent number 4,600,636
- Issue date Jul 15, 1986
- Japan Styrene Paper Corporation
- Shohei Yoshimura
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Bumper core and process producing same
- Patent number 4,598,001
- Issue date Jul 1, 1986
- Japan Styrene Paper Corporation
- Noboru Watanabe
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Apparatus for the preparation of a foamed article of a polyolefin r...
- Patent number 4,589,845
- Issue date May 20, 1986
- Japan Styrene Paper Corp.
- Junsuke Naohara
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Preliminarily foamed particles of non-crosslinked polypropylene-typ...
- Patent number 4,587,270
- Issue date May 6, 1986
- Japan Styrene Paper Corporation
- Hideki Kuwabara
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Pre-foamed particles of polypropylene-base resin
- Patent number 4,568,608
- Issue date Feb 4, 1986
- Japan Styrene Paper Corporation
- Hideki Kuwabara
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...

Japan Styrene Paper Corporation

Organization

Patents Grantslast 30 patents

Apparatus for the production of foamed polyolefin sheets

Process for the production of foamed polyolefin sheets

Pre-foamed beads of polyethylene base resin

Pre-foamed particles of uncrosslinked, linear low-density polyethyl...

Production method of prefoamed particles of polyolefin resin

Polypropylene resin prefoamed particles

Method of production of expansion-molded article, from foamable the...

Process for producing a foamed base material for car ceiling member

Method of producing a foamed, molded article

Core material for an automobile bumper

Production method of expansion-molded article of polypropylene resin

Core material for automobile bumpers

Production process of pre-foamed particles

Heat treatment apparatus for polyolefin resin particles

Casting method

Multi-conductor cable

Process for the production of expanded particles of a polymeric mat...

Propylene-base random copolymer particles and production process th...

Process for the production of expanded particles of a polypropylene...

Method for the preparation of a foamed article of a polyolefin resin

Energy absorber

Pre-foamed particles of polyethylene resin

Process for producing polyethylene extruded foams

Prefoamed particles of crosslinked propylene-type resin and molded...

Propylene-base random copolymer particles and production process th...

Core material for an automobile bumper

Bumper core and process producing same

Apparatus for the preparation of a foamed article of a polyolefin r...

Preliminarily foamed particles of non-crosslinked polypropylene-typ...

Pre-foamed particles of polypropylene-base resin