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Yasumaro TOSHIMA
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Saitama, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Light-blocking material for optical devices, and production method...
Patent number
10,634,825
Issue date
Apr 28, 2020
Kimoto Co., Ltd.
Tsuyoshi Nagahama
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Light-shielding material for optical instrument and manufacturing m...
Patent number
9,405,042
Issue date
Aug 2, 2016
Kimoto Co., Ltd.
Yasumaro Toshima
G02 - OPTICS
Information
Patent Grant
Light-shielding material for optical instrument
Patent number
9,383,484
Issue date
Jul 5, 2016
KIMOTO CO. LTD.
Yasumaro Toshima
G02 - OPTICS
Information
Patent Grant
Backlight unit
Patent number
8,419,259
Issue date
Apr 16, 2013
Kimoto Co., Ltd.
Hiroshi Yokota
G02 - OPTICS
Information
Patent Grant
Light diffusing sheet with binder of mixed acrylic and styrene-acry...
Patent number
8,059,339
Issue date
Nov 15, 2011
Kimoto Co., Ltd.
Yasumaro Toshima
G02 - OPTICS
Information
Patent Grant
Binder composition applied for polyester type films and optical fil...
Patent number
7,771,828
Issue date
Aug 10, 2010
Kimoto Co., Ltd.
Yasumaro Toshima
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Light control sheet and surface light source using the same
Patent number
7,535,642
Issue date
May 19, 2009
Kimoto Co., Ltd.
Yasumaro Toshima
G02 - OPTICS
Information
Patent Grant
Light diffusive sheet and area light source element using the same
Patent number
7,156,547
Issue date
Jan 2, 2007
Kimoto Co., Ltd.
Yasumaro Toshima
F21 - LIGHTING
Information
Patent Grant
Anti-Newton ring film
Patent number
6,592,950
Issue date
Jul 15, 2003
Kimoto Co., Ltd.
Yasumaro Toshima
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Optical film
Patent number
5,903,391
Issue date
May 11, 1999
Kimoto Co., Ltd.
Yasumaro Toshima
G02 - OPTICS
Information
Patent Grant
Light diffusion composite
Patent number
5,852,514
Issue date
Dec 22, 1998
Kimoto Co., Ltd.
Yasumaro Toshima
G02 - OPTICS
Information
Patent Grant
Light diffusion composite
Patent number
5,831,774
Issue date
Nov 3, 1998
Kimoto Co., Ltd.
Yasumaro Toshima
G02 - OPTICS
Patents Applications
last 30 patents
Information
Patent Application
MULTILAYER LIGHT-BLOCKING FILM, AND LIGHT-BLOCKING RING FOR OPTICAL...
Publication number
20190227202
Publication date
Jul 25, 2019
KIMOTO CO., LTD.
Tsuyoshi NAGAHAMA
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
LIGHT-BLOCKING MATERIAL FOR OPTICAL DEVICES, AND PRODUCTION METHOD...
Publication number
20170146701
Publication date
May 25, 2017
KIMOTO CO., LTD.
Tsuyoshi NAGAHAMA
G02 - OPTICS
Information
Patent Application
LIGHT-SHIELDING MATERIAL FOR OPTICAL INSTRUMENT AND MANUFACTURING M...
Publication number
20140016203
Publication date
Jan 16, 2014
KIMOTO CO., LTD.,
Yasumaro Toshima
G02 - OPTICS
Information
Patent Application
LIGHT-SHIELDING MATERIAL FOR OPTICAL INSTRUMENT
Publication number
20140016202
Publication date
Jan 16, 2014
KIMOTO CO., LTD.,
Yasumaro Toshima
G02 - OPTICS
Information
Patent Application
Optical member and backlight using the same
Publication number
20110110117
Publication date
May 12, 2011
Masashi Takai
G02 - OPTICS
Information
Patent Application
BACKLIGHT UNIT
Publication number
20100103698
Publication date
Apr 29, 2010
Kimoto Co., LTD
Hiroshi Yokota
G02 - OPTICS
Information
Patent Application
BACKLIGHT UNIT AND MEMBER
Publication number
20100097824
Publication date
Apr 22, 2010
Kimoto Co., LTD
Yohei Funabashi
G02 - OPTICS
Information
Patent Application
Binder Composition Applied for Polyester Type Films and Optical Fil...
Publication number
20090068484
Publication date
Mar 12, 2009
Kimoto Co., LTD
Yasumaro Toshima
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
Optical Film and Backlight Unit Using the Same
Publication number
20090067190
Publication date
Mar 12, 2009
Kimoto Co., LTD
Yohei Funabashi
G02 - OPTICS
Information
Patent Application
Light Diffusing Sheet
Publication number
20090009872
Publication date
Jan 8, 2009
Kimoto Co., LTD
Yasumaro Toshima
G02 - OPTICS
Information
Patent Application
Backlight
Publication number
20080019137
Publication date
Jan 24, 2008
Kimoto Co., LTD
Masashi Takai
G02 - OPTICS
Information
Patent Application
Light Control Sheet And Surface Light Source Using The Same
Publication number
20070273975
Publication date
Nov 29, 2007
Kimoto Co., LTD
Yasumaro Toshima
G02 - OPTICS
Information
Patent Application
Light diffusive sheet and area light source element using the same
Publication number
20030174518
Publication date
Sep 18, 2003
Yasumaro Toshima
G02 - OPTICS