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Hiroyuki Sumi
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Tochigi-ken, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Polyester composition
Patent number
8,754,171
Issue date
Jun 17, 2014
E I du Pont de Nemours and Company
Masahiro Kurouchi
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Colored thermoplastic resin compositions for laser welding, anthraq...
Patent number
7,714,045
Issue date
May 11, 2010
E. I. Du Pont de Nemours and Company
Yoshiteru Hatase
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Injection molding produced from biodegradable aromatic polyester bl...
Patent number
7,619,034
Issue date
Nov 17, 2009
E. I. Du Pont de Nemours and Company
Akiko Mizutani
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Colored thermoplastic resin compositions for laser welding, specifi...
Patent number
7,513,947
Issue date
Apr 7, 2009
E. I. Du Pont de Nemours and Company
Reiko Koshida
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Colored thermoplastic resin compositions for laser welding, specifi...
Patent number
7,485,675
Issue date
Feb 3, 2009
E. I. Du Pont de Nemours and Company
Reiko Koshida
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Patents Applications
last 30 patents
Information
Patent Application
VEHICLE HEADLIGHT ASSEMBLY
Publication number
20230104878
Publication date
Apr 6, 2023
DuPont Polymers, Inc.
HIROYUKI SUMI
B60 - VEHICLES IN GENERAL
Information
Patent Application
POLYESTER COMPOSITION
Publication number
20130303660
Publication date
Nov 14, 2013
E I DU PONT DE NEMOURS AND COMPANY
Masahiro Kurouchi
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Application
THERMOPLASTIC MOLDED VEHICLE LIGHT BEZEL
Publication number
20100227182
Publication date
Sep 9, 2010
E.I. du Pont de Nemours and Company
Brett Collin Dobrick
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
Injection molding produced from biodegradable aromatic polyester bl...
Publication number
20060264569
Publication date
Nov 23, 2006
Akiko Mizutani
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
Hydrolysis resistant polyester compositions and articles made there...
Publication number
20060142422
Publication date
Jun 29, 2006
Toshikazu Kobayashi
B60 - VEHICLES IN GENERAL
Information
Patent Application
Colored thermoplastic resin compositions for laser welding, specifi...
Publication number
20060009558
Publication date
Jan 12, 2006
Reiko Koshida
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Application
Colored thermoplastic resin compositions for laser welding, specifi...
Publication number
20050228085
Publication date
Oct 13, 2005
Reiko Koshida
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Application
Process for laser welding polyester compositions
Publication number
20050167025
Publication date
Aug 4, 2005
Toshikazu Kobayashi
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Application
Laser weldable polyester composition and process for laser welding
Publication number
20050171321
Publication date
Aug 4, 2005
Hiroyuki Sumi
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Application
Flame resistant polyester resin compositions
Publication number
20050154099
Publication date
Jul 14, 2005
Toshikazu Kobayashi
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Application
Flame resistant, laser weldable polyester resin composition
Publication number
20040186208
Publication date
Sep 23, 2004
Hiroyuki Sumi
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
Colored thermoplastic resin compositions for laser welding, specifi...
Publication number
20030088076
Publication date
May 8, 2003
Reiko Koshida
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Application
Colored thermoplastic resin compositions for laser welding anthraqu...
Publication number
20030065074
Publication date
Apr 3, 2003
Reiko Koshida
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Application
Colored thermoplastic resin compositions for laser welding, specifi...
Publication number
20030045618
Publication date
Mar 6, 2003
Reiko Koshida
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL