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Tomoo Fukuda
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Tokyo, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Electrochromic element and electrochromic light control device
Patent number
11,774,826
Issue date
Oct 3, 2023
Ricoh Company, Ltd.
Keiichiroh Yutani
G02 - OPTICS
Information
Patent Grant
Electrochromic element and production method thereof, electrochromi...
Patent number
11,630,365
Issue date
Apr 18, 2023
Ricoh Company, Ltd.
Keiichiroh Yutani
G02 - OPTICS
Information
Patent Grant
Electronic device, method for producing electronic device, and phot...
Patent number
11,474,408
Issue date
Oct 18, 2022
Ricoh Company, Ltd.
Yasuhiro Takahashi
G02 - OPTICS
Information
Patent Grant
Electrochromic element
Patent number
11,237,447
Issue date
Feb 1, 2022
Ricoh Company, Ltd.
Keiichiroh Yutani
E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
Information
Patent Grant
Electrochromic device, electronic dimming eyeglasses, augmented rea...
Patent number
11,106,106
Issue date
Aug 31, 2021
Ricoh Company, Ltd.
Noboru Sasa
G02 - OPTICS
Information
Patent Grant
Optical element, display device, and input device
Patent number
9,618,657
Issue date
Apr 11, 2017
Dexerials Corporation
Tomoo Fukuda
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Grant
Printed material and photographic material
Patent number
8,998,429
Issue date
Apr 7, 2015
Sony Corporation
Tomoo Fukuda
G02 - OPTICS
Information
Patent Grant
Magnetic recording medium
Patent number
6,991,861
Issue date
Jan 31, 2006
Sony Corporation
Akiko Watanabe
G11 - INFORMATION STORAGE
Patents Applications
last 30 patents
Information
Patent Application
GEL ELECTROLYTE AND ELECTROCHROMIC ELEMENT
Publication number
20240176200
Publication date
May 30, 2024
RICOH COMPANY, LTD.
Kayato Ohya
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Application
ELECTROCHROMIC ELEMENT AND ELECTROCHROMIC LIGHT CONTROL DEVICE
Publication number
20220035218
Publication date
Feb 3, 2022
RICOH COMPANY, LTD.
Keiichiroh YUTANI
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Application
ELECTROCHROMIC ELEMENT AND PRODUCTION METHOD THEREOF, ELECTROCHROMI...
Publication number
20210165296
Publication date
Jun 3, 2021
Keiichiroh YUTANI
G02 - OPTICS
Information
Patent Application
ELECTRONIC DEVICE, METHOD FOR PRODUCING ELECTRONIC DEVICE, AND PHOT...
Publication number
20200301227
Publication date
Sep 24, 2020
Yasuhiro TAKAHASHI
G02 - OPTICS
Information
Patent Application
ELECTROCHROMIC DEVICE, ELECTRONIC DIMMING EYEGLASSES, AUGMENTED REA...
Publication number
20190285960
Publication date
Sep 19, 2019
Noboru SASA
G02 - OPTICS
Information
Patent Application
ELECTROCHROMIC ELEMENT
Publication number
20190227401
Publication date
Jul 25, 2019
RICOH COMPANY, LTD.
Keiichiroh YUTANI
G02 - OPTICS
Information
Patent Application
CONDUCTIVE OPTICAL DEVICE, INPUT DEVICE, AND DISPLAY DEVICE
Publication number
20150223328
Publication date
Aug 6, 2015
DEXERIALS CORPORATION
Sohmei Endoh
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
TRANSPARENT CONDUCTIVE ELEMENT AND METHOD FOR MANUFACTURING THE SAM...
Publication number
20150021156
Publication date
Jan 22, 2015
DEXERIALS CORPORATION
Junichi Inoue
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
OPTICAL ELEMENT, DISPLAY DEVICE, AND INPUT DEVICE
Publication number
20140098422
Publication date
Apr 10, 2014
DEXERIALS CORPORATION
Tomoo Fukuda
B82 - NANO-TECHNOLOGY
Information
Patent Application
PRINTED MATERIAL AND PHOTOGRAPHIC MATERIAL
Publication number
20140063607
Publication date
Mar 6, 2014
SONY CORPORATION
Tomoo Fukuda
G02 - OPTICS
Information
Patent Application
GAS BARRIER BASE MATERIAL AND GAS BARRIER LAMINATE
Publication number
20130136936
Publication date
May 30, 2013
SONY CORPORATION
Takeshi Morozumi
B05 - SPRAYING OR ATOMISING IN GENERAL APPLYING LIQUIDS OR OTHER FLUENT MATER...
Information
Patent Application
ANTIREFLECTIVE FILM, METHOD OF PRODUCTION THEREOF, AND UV-CURABLE R...
Publication number
20110164322
Publication date
Jul 7, 2011
SONY CORPORATION
Takeshi Morozumi
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
Magnetic recording medium
Publication number
20040253483
Publication date
Dec 16, 2004
Sony Corporation
Akiko Watanabe
G11 - INFORMATION STORAGE