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Akio Ohkubo
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Tokyo, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Functional sheet and lens using same
Patent number
10,534,199
Issue date
Jan 14, 2020
Mitsubishi Gas Chemical Company, Inc.
Akio Ohkubo
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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
Information
Patent Grant
Heat transfer recording apparatus with a common drive source for se...
Patent number
5,041,845
Issue date
Aug 20, 1991
Canon Kabushiki Kaisha
Akio Ohkubo
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Grant
Method of an apparatus for recording images, while avoiding damage...
Patent number
5,017,945
Issue date
May 21, 1991
Canon Kabushiki Kaisha
Keizo Sasai
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Grant
Recording apparatus with plural sheet supply and selective conveyance
Patent number
4,868,674
Issue date
Sep 19, 1989
Canon Kabushiki Kaisha
Mitsunori Nakamura
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Openable recording apparatus with multiple rolls of recording sheet
Patent number
4,849,824
Issue date
Jul 18, 1989
Canon Kabushiki Kaisha
Kenkichi Sakuragi
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Patents Applications
last 30 patents
Information
Patent Application
FUNCTIONAL SHEET AND LENS USING SAME
Publication number
20150160479
Publication date
Jun 11, 2015
Mitsubishi Gas Chemical Company, Inc.
Akio OHKUBO
G02 - OPTICS
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
Information
Patent Application
FUNCTIONAL SHEET AND LENS USING SAME
Publication number
20120206689
Publication date
Aug 16, 2012
MGC FILSHEET CO., LTD.
Akio Ohkubo
G02 - OPTICS