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Junichi IKEUCHI
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Tsukuba-shi, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Polyamideimide resin and optical member including polyamideimide resin
Patent number
11,274,206
Issue date
Mar 15, 2022
Sumitomo Chemical Company, Limited
Koji Miyamoto
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Resin film, laminate, optical member, gas barrier material and touc...
Patent number
10,399,310
Issue date
Sep 3, 2019
Sumitomo Chemical Company, Limited
Mitsunori Nodono
B32 - LAYERED PRODUCTS
Information
Patent Grant
Polymer electrolyte membrane, method for producing the same, and pr...
Patent number
7,973,088
Issue date
Jul 5, 2011
Sumitomo Chemical Company, Limited
Junichi Ikeuchi
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Patents Applications
last 30 patents
Information
Patent Application
FILM, METHOD FOR EVALUATING OPTICAL HOMOGENEITY OF FILM, AND FILM P...
Publication number
20200131322
Publication date
Apr 30, 2020
Sumitomo Chemical Company, Limited
Mitsunori NODONO
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Application
POLYAMIDEIMIDE RESIN AND OPTICAL MEMBER INCLUDING POLYAMIDEIMIDE RESIN
Publication number
20190390057
Publication date
Dec 26, 2019
Sumitomo Chemical Company, Limited
Koji MIYAMOTO
G02 - OPTICS
Information
Patent Application
RESIN FILM, LAMINATE, OPTICAL MEMBER, GAS BARRIER MATERIAL AND TOUC...
Publication number
20180370207
Publication date
Dec 27, 2018
Sumitomo Chemical Company, Limited
Mitsunori NODONO
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
RESIN FILM, LAMINATED FILM, OPTICAL MEMBER, DISPLAY MEMBER, FRONT P...
Publication number
20170334180
Publication date
Nov 23, 2017
Sumitomo Chemical Company, Limited
Satoshi OKAMOTO
B32 - LAYERED PRODUCTS
Information
Patent Application
OPTICAL FILM AND OPTICAL MEMBER USING OPTICAL FILM
Publication number
20170327654
Publication date
Nov 16, 2017
Sumitomo Chemical Company, Limited
Junichi IKEUCHI
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
POLYMER ELECTROLYTE MEMBRANE, METHOD FOR PRODUCING THE SAME, AND PR...
Publication number
20110215240
Publication date
Sep 8, 2011
Sumitomo Chemical Company, Limited
Junichi IKEUCHI
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
Method for producing copper-clad laminate
Publication number
20090229750
Publication date
Sep 17, 2009
SUMITOMO CHEMICAL COMPANY. LIMITED
Toyonari ITO
H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information
Patent Application
POLYMER ELECTROLYTE MEMBRANE, METHOD FOR PRODUCING THE SAME, AND PR...
Publication number
20080053820
Publication date
Mar 6, 2008
Sumitomo Chemical Company, Limited
Junichi IKEUCHI
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...