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Kouichi Sogabe
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Hyogo, JP
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last 30 patents
Information
Patent Grant
Hydrogen-occluding layered material
Patent number
6,337,146
Issue date
Jan 8, 2002
Sumitomo Electric Industries, Ltd.
Kouichi Sogabe
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Grant
Hydrogen storage material and manufacturing method of the same
Patent number
6,329,076
Issue date
Dec 11, 2001
Sumitomo Electric Industries, Ltd.
Nozomu Kawabe
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
Single crystal of nitride and process for preparing the same
Patent number
6,001,748
Issue date
Dec 14, 1999
Sumitomo Electric Industries, Ltd.
Motoyuki Tanaka
C30 - CRYSTAL GROWTH
Information
Patent Grant
Group III-V nitride semiconductor device
Patent number
5,909,036
Issue date
Jun 1, 1999
Sumitomo Electric Industries, Ltd.
Motoyuki Tanaka
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Aluminum nitride sintered body and method of producing the same
Patent number
5,529,962
Issue date
Jun 25, 1996
Sumitomo Electric Industries, Ltd.
Seiji Nakahata
C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information
Patent Grant
Aluminum nitride sintered body and method of producing the same
Patent number
5,482,905
Issue date
Jan 9, 1996
Sumitomo Electric Industries, Ltd.
Seiji Nakahata
C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information
Patent Grant
Method for preparing an aluminum nitride sintered body
Patent number
5,449,648
Issue date
Sep 12, 1995
Sumitomo Electric Industries, Ltd.
Seiji Nakahata
C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information
Patent Grant
Aluminum nitride powder having surface layer containing oxynitride
Patent number
5,395,694
Issue date
Mar 7, 1995
Sumitomo Electric Industries, Ltd.
Kouichi Sogabe
C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information
Patent Grant
Aluminum nitride sintered body and method of preparing the same
Patent number
5,393,715
Issue date
Feb 28, 1995
Sumitomo Electric Industries, Ltd.
Seiji Nakahata
C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information
Patent Grant
Apparatus and method for measuring a physical property of a sample...
Patent number
5,343,150
Issue date
Aug 30, 1994
Sumitomo Electric Industries, Ltd.
Seiji Nakahata
G01 - MEASURING TESTING
Information
Patent Grant
Heat conductive colored aluminum nitride sintered body
Patent number
5,306,679
Issue date
Apr 26, 1994
Sumitomo Electric Industries, Ltd.
Kouhei Shimoda
C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information
Patent Grant
Thermal conductive colored aluminum nitride sintered body and metho...
Patent number
5,147,832
Issue date
Sep 15, 1992
Sumitomo Electric Industries, Ltd.
Kouhei Shimoda
C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES