Kouhei Morikawa

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Kawasaki, JP

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Patents Grantslast 30 patents

Information Patent Grant
Metal raney catalysts and preparation of hydrogenated compounds the...
- Patent number 6,245,920
- Issue date Jun 12, 2001
- Showa Denko K.K.
- Kouhei Morikawa
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Noble metal raney catalysts and preparation of hydrogenated compoun...
- Patent number 6,215,030
- Issue date Apr 10, 2001
- Showa Denko K.K.
- Kouhei Morikawa
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for preparing cyano group-containing aromatic methylamines
- Patent number 6,114,277
- Issue date Sep 5, 2000
- Showa Denko K.K.
- Motoo Miura
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Noble metal Raney catalysts and preparation of hydrogenated compoun...
- Patent number 6,018,048
- Issue date Jan 25, 2000
- Showa Denko K.K.
- Kouhei Morikawa
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Additive for heat-sensitive recording material, the recording mater...
- Patent number 5,032,567
- Issue date Jul 16, 1991
- Showa Denko K.K.
- Akihiro Ohtsubo
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
3-substituted hydantoins
- Patent number 4,939,269
- Issue date Jul 3, 1990
- Showa Denko K.K.
- Akihiro Ohtsubo
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS