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Kyousuke NAKAMURA
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Saitama, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Aromatic polycarbonate polarising lens
Patent number
10,838,238
Issue date
Nov 17, 2020
Mitsubishi Gas Chemical Company, Inc.
Terutaka Tokumaru
B32 - LAYERED PRODUCTS
Information
Patent Grant
Functional sheet including polyester resin, and lens using function...
Patent number
10,816,699
Issue date
Oct 27, 2020
Mitsubishi Gas Chemical Company, Inc.
Kyousuke Nakamura
B32 - LAYERED PRODUCTS
Information
Patent Grant
Synthetic resin laminate having photochromic properties and lens us...
Patent number
10,737,471
Issue date
Aug 11, 2020
Mitsubishi Gas Chemical Company, Inc.
Katsuyuki Murai
B32 - LAYERED PRODUCTS
Information
Patent Grant
Optical film and optical laminate using same
Patent number
10,120,206
Issue date
Nov 6, 2018
Nippon Kayaku Kabushiki Kaisha
Kouichi Tanaka
G02 - OPTICS
Information
Patent Grant
Polarizing lens for sunglasses
Patent number
9,977,264
Issue date
May 22, 2018
Mitsubishi Gas Chemical Company, Inc.
Hideaki Kimura
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Grant
Special polycarbonate polarizing eyewear
Patent number
9,709,702
Issue date
Jul 18, 2017
Mitsubishi Gas Chemical Company, Inc.
Takuya Gotou
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Polarizing lens constituted of aromatic polycarbonate
Patent number
9,063,276
Issue date
Jun 23, 2015
Mitsubishi Gas Chemical Company, Inc.
Terutaka Tokumaru
B32 - LAYERED PRODUCTS
Information
Patent Grant
Polarizing lens made of aromatic polycarbonate
Patent number
8,936,363
Issue date
Jan 20, 2015
Mitsubishi Gas Chemical Company, Inc.
Terutaka Tokumaru
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Patents Applications
last 30 patents
Information
Patent Application
OPTICAL FILM, AND OPTICAL LAMINATE AND EYEWEAR HAVING THE SAME
Publication number
20230161090
Publication date
May 25, 2023
Nippon Kayaku Kabushiki-Kaisha
Yoshiyuki YAHAGI
G02 - OPTICS
Information
Patent Application
AROMATIC POLYCARBONATE POLARISING LENS
Publication number
20190155059
Publication date
May 23, 2019
Mitsubishi Gas Chemical Company, Inc.
Terutaka Tokumaru
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Application
SYNTHETIC RESIN LAMINATE HAVING PHOTOCHROMIC PROPERTIES AND LENS US...
Publication number
20190084278
Publication date
Mar 21, 2019
Mitsubishi Gas Chemical Company, Inc.
Katsuyuki MURAI
G02 - OPTICS
Information
Patent Application
FUNCTIONAL SHEET INCLUDING POLYESTER RESIN, AND LENS USING FUNCTION...
Publication number
20170329054
Publication date
Nov 16, 2017
Mitsubishi Gas Chemical Company, Inc.
Kyousuke NAKAMURA
G02 - OPTICS
Information
Patent Application
OPTICAL FILM AND OPTICAL LAMINATE USING SAME
Publication number
20170160566
Publication date
Jun 8, 2017
Nippon Kayaku Kabushiki-Kaisha
Kouichi TANAKA
G02 - OPTICS
Information
Patent Application
POLARIZING LENS FOR SUNGLASSES
Publication number
20150248023
Publication date
Sep 3, 2015
Mitsubishi Gas Chemical Company, Inc.
Hideaki Kimura
G02 - OPTICS
Information
Patent Application
SPECIAL POLYCARBONATE POLARIZING EYEWEAR
Publication number
20150205011
Publication date
Jul 23, 2015
Mitsubishi Gas Chemical Company, Inc.
Takuya Gotou
G02 - OPTICS
Information
Patent Application
AROMATIC POLYCARBONATE POLARISING LENS
Publication number
20140375945
Publication date
Dec 25, 2014
MGC FILSHEET CO., LTD.
Terutaka Tokumaru
B32 - LAYERED PRODUCTS
Information
Patent Application
POLARIZING LENS MADE OF AROMATIC POLYCARBONATE
Publication number
20140151911
Publication date
Jun 5, 2014
MGC Filsheet Co., Ltd.
Terutaka Tokumaru
G02 - OPTICS
Information
Patent Application
POLARIZING LENS CONSTITUTED OF AROMATIC POLYCARBONATE
Publication number
20130070196
Publication date
Mar 21, 2013
MGC FILSHEET CO., LTD.
Terutaka Tokumaru
B32 - LAYERED PRODUCTS
Information
Patent Application
POLARIZING LENS MADE OF AROMATIC POLYCARBONATE
Publication number
20130010253
Publication date
Jan 10, 2013
MGC Filsheet Co., Ltd.
Terutaka Tokumaru
G02 - OPTICS