Membership
Tour
Register
Log in
Kenichi Ohkawa
Follow
Person
Ichihara-shi, JP
People
Overview
Industries
Organizations
People
Information
Impact
Patents Grants
last 30 patents
Information
Patent Grant
Thermoplastic resin composition and its injection molded article
Patent number
7,351,760
Issue date
Apr 1, 2008
Sumitomo Chemical Company, Limited
Kenichi Ohkawa
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Basic magnesium sulfate fiber-reinforced polypropylene resin compos...
Patent number
6,800,681
Issue date
Oct 5, 2004
Sumitomo Chemical Company, Limited
Kenichi Ohkawa
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Polypropylene resin composition and injection-molded article thereof
Patent number
6,767,953
Issue date
Jul 27, 2004
Sumitomo Chemical Company, Limited
Kenichi Ohkawa
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Thermoplastic resin composition and injection-molded object thereof
Patent number
6,759,465
Issue date
Jul 6, 2004
Sumitomo Chemical Company, Limited
Moriyasu Shimojo
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Polypropylene resin composition and injection molded article
Patent number
6,656,987
Issue date
Dec 2, 2003
Sumitomo Chemical Company, Limited
Isao Takashima
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Thermoplastic resin composition and injection-molded article thereof
Patent number
6,593,409
Issue date
Jul 15, 2003
Sumitomo Chemical Company, Limited
Kenichi Ohkawa
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Polypropylene-base resin composition and products of injection mold...
Patent number
6,441,081
Issue date
Aug 27, 2002
Sumitomo Chemical Company, Limited
Hajime Sadatoshi
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Thermoplastic resin composition and injection molded article thereof
Patent number
6,384,122
Issue date
May 7, 2002
Sumitomo Chemical Company, Limited
Manabu Hirakawa
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Polymer blend compositions based on isotactic polypropylene homopol...
Patent number
6,306,972
Issue date
Oct 23, 2001
Sumitomo Chemical Company, Limited
Kenichi Ohkawa
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
High-rigidity ethylene/propylene block copolymer and process for th...
Patent number
6,204,336
Issue date
Mar 20, 2001
Sumitomo Chemical Company
Manabu Hirakawa
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Polypropylene-based resin composition
Patent number
6,031,034
Issue date
Feb 29, 2000
Sumitomo Chemical Company, Limited
Akihiro Morimoto
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Crystalline ethylene-propylene copolymer with ethylene copolymer(s)...
Patent number
5,914,363
Issue date
Jun 22, 1999
Sumitomo Chemical Company, Limited
Hajime Sadatoshi
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Thermoplastic resin composition and injection molded article thereof
Patent number
5,723,527
Issue date
Mar 3, 1998
Sumitomo Chemical Company, Limited
Hajime Sadatoshi
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Polypropylene resin composition
Patent number
5,087,654
Issue date
Feb 11, 1992
Sumitomo Chemical Company, Limited
Hiroyuki Harada
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Patents Applications
last 30 patents
Information
Patent Application
Thermoplastic resin composition and its injection molded article
Publication number
20040132889
Publication date
Jul 8, 2004
Sumitomo Chemical Company, Limited
Kenichi Ohkawa
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
Basic magnesium sulfate fiber-reinforced polypropylene resin compos...
Publication number
20030060553
Publication date
Mar 27, 2003
Sumitomo Chemical Company, Limited
Kenichi Ohkawa
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
Polypropylene resin composition and injection molded article
Publication number
20020095004
Publication date
Jul 18, 2002
Isao Takashima
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
Polypropylene resin composition and injection-molded article thereof
Publication number
20020037954
Publication date
Mar 28, 2002
Kenichi Ohkawa
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
THERMOPLASTIC RESIN COMPOSITION AND INJECTION MOLDED ARTICLE THEREOF
Publication number
20020035191
Publication date
Mar 21, 2002
MANABU HIRAKAWA
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
Thermoplastic resin composition and injection-molded article thereof
Publication number
20020004546
Publication date
Jan 10, 2002
Kenichi Ohkawa
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...