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Hiroyuki Aikyo
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Yokohama, JP
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Patents Grants
last 30 patents
Information
Patent Grant
AZO compound and ink containing the compound
Patent number
9,200,171
Issue date
Dec 1, 2015
MITSUBISHI CHEMICAL CORPORATION
Utako Takeda
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Activated carbon and process for producing the same
Patent number
5,965,479
Issue date
Oct 12, 1999
Mitsubishi Chemical Corporation
Mitsuo Suzuki
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Pitch-type carbon fibers and process for their production
Patent number
5,643,546
Issue date
Jul 1, 1997
Mitsubishi Chemical Corporation
Iwao Yamamoto
D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING
Information
Patent Grant
Carbon fibers and process for their production
Patent number
5,620,674
Issue date
Apr 15, 1997
Mitsubishi Chemical Corporation
Iwao Yamamoto
D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING
Information
Patent Grant
Carbon fibers and process for their production
Patent number
5,612,015
Issue date
Mar 18, 1997
Mitsubishi Chemical Corporation
Iwao Yamamoto
D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING
Information
Patent Grant
Pitch type carbon fibers and process for their production
Patent number
5,601,794
Issue date
Feb 11, 1997
Mitsubishi Chemical Corporation
Iwao Yamamoto
D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING
Patents Applications
last 30 patents
Information
Patent Application
AZO COMPOUND AND INK CONTAINING THE COMPOUND
Publication number
20140078577
Publication date
Mar 20, 2014
MITSUBISHI CHEMICAL CORPORATION
Utako TAKEDA
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS