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Kazunobu Ogawa
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Tokyo, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Daylighting sheet, daylighting panel and roll-up daylighting screen
Patent number
10,641,448
Issue date
May 5, 2020
Dai Nippon Printing Co., Ltd.
Tsuyoshi Kashiwagi
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Grant
Semi-transmissive reflection sheet, light guide plate and display d...
Patent number
10,365,489
Issue date
Jul 30, 2019
Dai Nippon Printing Co., Ltd.
Hiroshi Sekiguchi
G02 - OPTICS
Information
Patent Grant
Daylighting sheet, daylighting panel and roll-up daylighting screen
Patent number
10,100,992
Issue date
Oct 16, 2018
Dai Nippon Printing Co., Ltd.
Tsuyoshi Kashiwagi
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Grant
Daylighting sheet, daylighting panel and roll-up daylighting screen
Patent number
9,708,847
Issue date
Jul 18, 2017
Dai Nippon Printing Co., Ltd.
Tsuyoshi Kashiwagi
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Grant
Daylighting sheet, daylighting panel, roll-up daylighting screen an...
Patent number
9,366,403
Issue date
Jun 14, 2016
Dai Nippon Printing Co., Ltd.
Tsuyoshi Kashiwagi
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Grant
Reflection screen and image display system
Patent number
9,285,669
Issue date
Mar 15, 2016
Dai Nippon Printing Co., Ltd.
Tetsuya Sadahiro
G02 - OPTICS
Information
Patent Grant
Reflection screen and image display system
Patent number
9,030,736
Issue date
May 12, 2015
Dai Nippon Printing Co., Ltd.
Tetsuya Sadahiro
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Transmission screen for interactive board
Patent number
8,634,136
Issue date
Jan 21, 2014
Dai Nippon Printing Co., Ltd.
Kazunobu Ogawa
G02 - OPTICS
Information
Patent Grant
Tubular structures for fishing rods or the like
Patent number
5,188,152
Issue date
Feb 23, 1993
Ryobi Ltd.
Kazunobu Ogawa
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Patents Applications
last 30 patents
Information
Patent Application
OPTICAL FILM, OPTICAL-FILM-EQUIPPED POLARIZING PLATE, AND DISPLAY D...
Publication number
20230083180
Publication date
Mar 16, 2023
DAI NIPPON PRINTING CO., LTD.
Masashi MIYASHITA
G02 - OPTICS
Information
Patent Application
DAYLIGHTING SHEET, DAYLIGHTING PANEL AND ROLL-UP DAYLIGHTING SCREEN
Publication number
20190093840
Publication date
Mar 28, 2019
DAI NIPPON PRINTING CO., LTD.
Tsuyoshi KASHIWAGI
E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
Information
Patent Application
SEMI-TRANSMISSIVE REFLECTION SHEET, LIGHT GUIDE PLATE AND DISPLAY D...
Publication number
20170322417
Publication date
Nov 9, 2017
DAI NIPPON PRINTING CO., LTD.
Hiroshi SEKIGUCHI
G02 - OPTICS
Information
Patent Application
DAYLIGHTING SHEET, DAYLIGHTING PANEL AND ROLL-UP DAYLIGHTING SCREEN
Publication number
20170284619
Publication date
Oct 5, 2017
DAI NIPPON PRINTING CO., LTD.
Tsuyoshi KASHIWAGI
G02 - OPTICS
Information
Patent Application
DAYLIGHTING SHEET, DAYLIGHTING PANEL AND ROLL-UP DAYLIGHTING SCREEN
Publication number
20160251895
Publication date
Sep 1, 2016
DAI NIPPON PRINTING CO., LTD.
Tsuyoshi KASHIWAGI
G02 - OPTICS
Information
Patent Application
REFLECTION SCREEN AND IMAGE DISPLAY SYSTEM
Publication number
20150077849
Publication date
Mar 19, 2015
DAI NIPPON PRINTING CO. , LTD.
Tetsuya SADAHIRO
G02 - OPTICS
Information
Patent Application
DAYLIGHTING SHEET, DAYLIGHTING PANEL, ROLL-UP DAYLIGHTING SCREEN AN...
Publication number
20150049387
Publication date
Feb 19, 2015
DAI NIPPON PRINTING CO., LTD.
Tsuyoshi Kashiwagi
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Application
REFLECTION SCREEN AND IMAGE DISPLAY SYSTEM
Publication number
20140092471
Publication date
Apr 3, 2014
DAI NIPPON PRINTING CO., LTD.
Tetsuya SADAHIRO
G02 - OPTICS
Information
Patent Application
TRANSMISSION SCREEN FOR INTERACTIVE BOARD
Publication number
20110122493
Publication date
May 26, 2011
Dai Nippon Printing Co., Ltd.
Kazunobu Ogawa
G02 - OPTICS