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Yoshitaka Kobayashi
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Ibaraki-shi, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Polypropylene resin composition, method for producing the same, and...
Patent number
8,871,825
Issue date
Oct 28, 2014
Sumitomo Chemical Company, Limited
Hiroyoshi Nakajima
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Mold for producing a multilayer molded article and a method for pro...
Patent number
7,235,206
Issue date
Jun 26, 2007
Sumitomo Chemcial Company, Limited
Yoshitaka Kobayashi
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Grant
Multilayer molded articles
Patent number
7,014,907
Issue date
Mar 21, 2006
Sumitomo Chemical Company, Limited
Yoshitaka Kobayashi
B60 - VEHICLES IN GENERAL
Information
Patent Grant
Mold for producing a multilayer molded article and a method for pro...
Patent number
6,846,169
Issue date
Jan 25, 2005
Sumitomo Chemical Company, Ltd.
Yoshitaka Kobayashi
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Grant
Methods for producing multilayer molded articles
Patent number
6,616,879
Issue date
Sep 9, 2003
Sumitomo Chemical Company, Limited
Yoshitaka Kobayashi
B60 - VEHICLES IN GENERAL
Information
Patent Grant
Process for producing a thermoplastic resin molded article
Patent number
6,579,488
Issue date
Jun 17, 2003
Sumitomo Chemical Company, Ltd.
Yoshitaka Kobayashi
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Grant
Process for producing multilayer molded article
Patent number
6,521,073
Issue date
Feb 18, 2003
Sumitomo Chemical Company, Limited
Yoshitaka Kobayashi
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Grant
Process for producing multilayer molded article
Patent number
6,413,461
Issue date
Jul 2, 2002
Sumitomo Chemical Company, Limited
Yoshitaka Kobayashi
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Grant
Metal mold for producing a synthetic resin molded product in a comp...
Patent number
6,382,949
Issue date
May 7, 2002
Sumitomo Chemical Company, Limited
Masahito Matsumoto
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Patents Applications
last 30 patents
Information
Patent Application
METHOD FOR PRODUCING A MOLDED ARTICLE OF AN ORGANIC FIBER-REINFORCE...
Publication number
20110285058
Publication date
Nov 24, 2011
Sumitomo Chemical Company, Limited
Yoshitaka Kobayashi
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Application
Method for producing a foamed article
Publication number
20060261507
Publication date
Nov 23, 2006
Sumitomo Chemical Company, Limited
Yoshitaka Kobayashi
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Application
Mold for producing a multilayer molded article and a method for pro...
Publication number
20050093203
Publication date
May 5, 2005
Sumitomo Chemical Company, Limited
Yoshitaka Kobayashi
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Application
Method for producing a thermoplastic resin molded article
Publication number
20050017391
Publication date
Jan 27, 2005
Sumitomo Chemical Company, Limited
Yoshitaka Kobayashi
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Application
Multilayer molded articles
Publication number
20030003259
Publication date
Jan 2, 2003
Sumitomo Chemical Company, Limited
Yoshitaka Kobayashi
B60 - VEHICLES IN GENERAL
Information
Patent Application
Mold for producing a multilayer molded article and a method for pro...
Publication number
20020140122
Publication date
Oct 3, 2002
Sumitomo Chemical Company, Limited
Yoshitaka Kobayashi
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Application
METAL MOLD FOR PRODUCING A SYNTHETIC RESIN MOLDED PRODUCT IN A COMP...
Publication number
20020031568
Publication date
Mar 14, 2002
MASAHITO MATSUMOTO
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Application
Multilayer molded articles
Publication number
20010014380
Publication date
Aug 16, 2001
Yoshitaka Kobayashi
B60 - VEHICLES IN GENERAL