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Motoyuki Tanaka
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Hyogo, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Method of polishing a ceramic substrate
Patent number
6,500,052
Issue date
Dec 31, 2002
Sumitomo Electric Industries, Ltd.
Masuhiro Natsuhara
B24 - GRINDING POLISHING
Information
Patent Grant
Ceramic substrate and polishing method thereof
Patent number
6,458,444
Issue date
Oct 1, 2002
Sumitomo Electric Industries, Ltd.
Masuhiro Natsuhara
B24 - GRINDING POLISHING
Information
Patent Grant
Aluminum nitride sintered body and method of preparing the same
Patent number
6,428,741
Issue date
Aug 6, 2002
Sumitomo Electric Industries, Ltd.
Yasuhisa Yushio
C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information
Patent Grant
Aluminum-nitride sintered body, method for fabricating the same, an...
Patent number
6,294,275
Issue date
Sep 25, 2001
Sumitomo Electric Industries, Ltd.
Masuhiro Natsuhara
C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information
Patent Grant
Aluminum nitride sintered body and method of preparing the same
Patent number
6,271,163
Issue date
Aug 7, 2001
Sumitomo Electric Industries, Ltd.
Yasuhisa Yushio
C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information
Patent Grant
Sintered aluminum nitride body and metallized substrate prepared th...
Patent number
6,174,614
Issue date
Jan 16, 2001
Sumitomo Electric Industries, Ltd.
Yasuhisa Yushio
C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information
Patent Grant
Single crystal quartz thin film and preparation thereof
Patent number
6,028,020
Issue date
Feb 22, 2000
Sumitomo Electric Industries, Ltd.
Motoyuki Tanaka
C30 - CRYSTAL GROWTH
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
Oxide thin film having quartz crystal structure
Patent number
5,879,811
Issue date
Mar 9, 1999
Sumitomo Electric Industries, Ltd.
Motoyuki Tanaka
C30 - CRYSTAL GROWTH
Information
Patent Grant
Ultra-thin film laminate
Patent number
5,503,912
Issue date
Apr 2, 1996
Sumitomo Electric Industries, Ltd.
Makoto Setoyama
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Grant
Ultra-thin film laminate
Patent number
5,478,634
Issue date
Dec 26, 1995
Sumitomo Electric Industries, Ltd.
Makoto Setoyama
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Patents Applications
last 30 patents
Information
Patent Application
Ceramic base material
Publication number
20080277841
Publication date
Nov 13, 2008
Sumitomo Electric Industries, Ltd.
Masuhiro Natsuhara
C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information
Patent Application
Ceramic base material
Publication number
20080039312
Publication date
Feb 14, 2008
Sumitomo Electric Industries, Ltd.
Masuhiro Natsuhara
C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information
Patent Application
Method of polishing a ceramic substrate
Publication number
20020025409
Publication date
Feb 28, 2002
Sumitomo Electric Industries, Ltd.
Masuhiro Natsuhara
B24 - GRINDING POLISHING
Information
Patent Application
Aluminum nitride sintered body and method of preparing the same
Publication number
20010016551
Publication date
Aug 23, 2001
Sumitomo Electric Industries, Ltd.
Yasuhisa Yushio
C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES