Takashi Sumitomo

Person

Chiba, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Crystalline polypropylene and its moldings and films
- Patent number 6,639,038
- Issue date Oct 28, 2003
- Idemitsu Petrochemical Co., Ltd.
- Itaru Kuramoto
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Propylene/ethylene block copolymer
- Patent number 6,201,090
- Issue date Mar 13, 2001
- Idemitsu Petrochemical Co., Ltd.
- Takashi Sumitomo
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Syndiotactic styrene resin, thermoplastic resin and rubber
- Patent number 6,093,768
- Issue date Jul 25, 2000
- Idemitsu Kosan Co., Ltd.
- Akikazu Nakano
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Composition of styrene resin, thermoplastic resin and rubber particles
- Patent number 6,087,435
- Issue date Jul 11, 2000
- Idemitsu Kosan Co., Ltd.
- Akikazu Nakano
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Styrene-based resin composition with thermoplastic resin
- Patent number 6,051,655
- Issue date Apr 18, 2000
- Idemitsu Kosan Co., Ltd.
- Akikazu Nakano
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Styrene resin with rubber polymer particles
- Patent number 6,046,275
- Issue date Apr 4, 2000
- Idemitsu Kosan Co., Ltd.
- Akikazu Nakano
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Styrene-based resin composition
- Patent number 6,043,307
- Issue date Mar 28, 2000
- Idemitsu Kosan Co., Ltd.
- Akikazu Nakano
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Composition of styrene resin, thermoplastic resin and rubber
- Patent number 6,013,726
- Issue date Jan 11, 2000
- Idemitsu Kosan Co., Ltd.
- Akikazu Nakano
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Syndiotactic polystyrene and polycarbonate resin compositions
- Patent number 6,008,293
- Issue date Dec 28, 1999
- Idemitsu Kosan Co., Ltd.
- Akikazu Nakano
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Styrene based resin composition
- Patent number 5,990,217
- Issue date Nov 23, 1999
- Idemitsu Kosan Co., Ltd.
- Akikazu Nakano
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Polypropylene-based resins and polypropylene-based resin compositions
- Patent number 5,985,973
- Issue date Nov 16, 1999
- Idemitsu Petrochemical Co., Ltd.
- Takashi Sumitomo
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Styrene-based resin composition
- Patent number 5,891,951
- Issue date Apr 6, 1999
- Idemitsu Kosan Co., Ltd.
- Akikazu Nakano
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Styrene-based resin composition
- Patent number 5,395,890
- Issue date Mar 7, 1995
- Idemitsu Kosan Co., Ltd.
- Akikazu Nakano
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Resin composition
- Patent number 5,346,950
- Issue date Sep 13, 1994
- Kuraray Co., Ltd.
- Taichi Negi
- B32 - LAYERED PRODUCTS
Information Patent Grant
Styrene-based resin composition and process for production of moldings
- Patent number 5,322,869
- Issue date Jun 21, 1994
- Idemitsu Kosan Co., Ltd.
- Komei Yamasaki
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Resin composition
- Patent number 5,270,353
- Issue date Dec 14, 1993
- Idemitsu Kosan Co., Ltd.
- Akikazu Nakano
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Styrene-based resin composition
- Patent number 5,166,238
- Issue date Nov 24, 1992
- Idemitsu Kosan Co., Ltd.
- Akikazu Nakano
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Styrene-based polymer composition, stretched molding thereof and pr...
- Patent number 5,109,068
- Issue date Apr 28, 1992
- Idemitsu Kosan Co., Ltd.
- Komei Yamasaki
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Multi-layer material having gas barrier properties
- Patent number 5,089,353
- Issue date Feb 18, 1992
- Kuraray Co., Ltd.
- Taichi Negi
- B32 - LAYERED PRODUCTS
Information Patent Grant
Styrene-based resin composition and process for producing molding p...
- Patent number 5,034,441
- Issue date Jul 23, 1991
- Idemitsu Kosan Co., Ltd.
- Akikazu Nakano
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Expanded thermoplastic resinous materials and process for productio...
- Patent number 4,937,272
- Issue date Jun 26, 1990
- Idemitsu Kosan Co., Ltd.
- Takashi Sumitomo
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...

Patents Applicationslast 30 patents

Information Patent Application
Crystalline polypropylene and its moldings and films
- Publication number 20020028898
- Publication date Mar 7, 2002
- Idemitsu Petrochemical Co., Ltd.
- Itaru Kuramoto
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...

Takashi Sumitomo

Person

Patents Grantslast 30 patents

Crystalline polypropylene and its moldings and films

Propylene/ethylene block copolymer

Syndiotactic styrene resin, thermoplastic resin and rubber

Composition of styrene resin, thermoplastic resin and rubber particles

Styrene-based resin composition with thermoplastic resin

Styrene resin with rubber polymer particles

Styrene-based resin composition

Composition of styrene resin, thermoplastic resin and rubber

Syndiotactic polystyrene and polycarbonate resin compositions

Styrene based resin composition

Polypropylene-based resins and polypropylene-based resin compositions

Styrene-based resin composition

Styrene-based resin composition

Resin composition

Styrene-based resin composition and process for production of moldings

Resin composition

Styrene-based resin composition

Styrene-based polymer composition, stretched molding thereof and pr...

Multi-layer material having gas barrier properties

Styrene-based resin composition and process for producing molding p...

Expanded thermoplastic resinous materials and process for productio...

Patents Applicationslast 30 patents

Crystalline polypropylene and its moldings and films