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Kazuyuki Obuchi
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Yokohama-shi, JP
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Patents Grants
last 30 patents
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Patent Grant
Optical film
Patent number
10,549,514
Issue date
Feb 4, 2020
ZEON CORPORATION
Kazuyuki Obuchi
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Patents Applications
last 30 patents
Information
Patent Application
ELECTRICALLY CONDUCTIVE FILM
Publication number
20190139673
Publication date
May 9, 2019
ZEON CORPORATION
Kenichi HARAI
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Application
OPTICAL FILM
Publication number
20180065348
Publication date
Mar 8, 2018
ZEON CORPORATION
Kazuyuki OBUCHI
B32 - LAYERED PRODUCTS
Information
Patent Application
RESIN FILM AND PRODUCTION METHOD FOR RESIN FILM
Publication number
20170355128
Publication date
Dec 14, 2017
ZEON CORPORATION
Kazuyuki OBUCHI
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Application
Optical Element, Method for Production Thereof and Display Device
Publication number
20080153008
Publication date
Jun 26, 2008
Masahiko Hayashi
G02 - OPTICS
Information
Patent Application
Mold for Injection Molding Light Guide Plate and Process for Produc...
Publication number
20070222092
Publication date
Sep 27, 2007
Masahiko Hayashi
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Application
Light Diffusion Plate And Process For Producing The Plate
Publication number
20070200263
Publication date
Aug 30, 2007
Satoshi Tazaki
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL