Hiroyuki Aikyo

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Yokohama, JP

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Patents Grantslast 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 Applicationslast 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