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Toshihiko Takano
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Tokyo, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Package of heat-bent polarizing sheet and injection-molded polarizi...
Patent number
11,231,524
Issue date
Jan 25, 2022
WINTEC INC.
Ryuji Yoshida
B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information
Patent Grant
Colored low-polarizing films, colored low-polarizing sheets, and co...
Patent number
9,784,895
Issue date
Oct 10, 2017
Mitsubishi Gas Chemical Company, Inc.
Hideaki Kimura
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Grant
Functional sheet with protective films
Patent number
9,618,658
Issue date
Apr 11, 2017
Mitsubishi Gas Chemical Company, Inc.
Ryuji Yoshida
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Grant
Monochrometer and wavelength division multiplexer comprising said m...
Patent number
6,636,660
Issue date
Oct 21, 2003
Mitsubishi Gas Chemical Company, Inc.
Terutaka Tokumaru
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Wavelength division multiplexing device
Patent number
6,295,150
Issue date
Sep 25, 2001
Mitsubishi Gas Chemical Company, Inc.
Hisashi Ohwada
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Optical waveguide module having main-line waveguide and branch wave...
Patent number
5,923,800
Issue date
Jul 13, 1999
Mitsubishi Gas Chemical Company, Inc.
Toshihiko Takano
G02 - OPTICS
Information
Patent Grant
Method for manufacturing optical element
Patent number
5,916,402
Issue date
Jun 29, 1999
Mitsubishi Gas Chemical Company, Inc.
Toshihiko Takano
B32 - LAYERED PRODUCTS
Information
Patent Grant
Polarization-independent optical isolator
Patent number
5,345,329
Issue date
Sep 6, 1994
Mitsubishi Gas Chemical Company, Inc.
Kazushi Shirai
G02 - OPTICS
Patents Applications
last 30 patents
Information
Patent Application
PACKAGE OF HEAT-BENT POLARIZING SHEET AND INJECTION-MOLDED POLARIZI...
Publication number
20170343703
Publication date
Nov 30, 2017
WINTEC INC.
Ryuji YOSHIDA
G02 - OPTICS
Information
Patent Application
PROTECTIVE FILM-ATTACHED FUNCTIONAL SHEET
Publication number
20170322344
Publication date
Nov 9, 2017
Mitsubishi Gas Chemical Company, Inc.
Ryuji YOSHIDA
B32 - LAYERED PRODUCTS
Information
Patent Application
A FUNCTIONAL SHEET WITH PROTECTIVE FILMS
Publication number
20160109622
Publication date
Apr 21, 2016
Mitsubishi Gas Chemical Company, Inc.
Ryuji YOSHIDA
B32 - LAYERED PRODUCTS
Information
Patent Application
COLORED LOW-POLARIZING FILMS, COLORED LOW-POLARIZING SHEETS, AND CO...
Publication number
20150355395
Publication date
Dec 10, 2015
Mitsubishi Gas Chemical Company, Inc.
Hideaki KIMURA
G02 - OPTICS
Information
Patent Application
COLORED POLARIZING FILMS, COLORED POLARIZING SHEETS, AND COLORED PO...
Publication number
20150234210
Publication date
Aug 20, 2015
Mitsubishi Gas Chemical Company, Inc.
Hideaki Kimura
G02 - OPTICS
Information
Patent Application
Monochrometer and wavelength division multiplexer comprising said m...
Publication number
20020136488
Publication date
Sep 26, 2002
Terutaka Tokumaru
G01 - MEASURING TESTING
Information
Patent Application
Optical demultiplexer/multiplexer
Publication number
20020003922
Publication date
Jan 10, 2002
Toshihiko Takano
G02 - OPTICS