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Masami Tatsumi
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Osaka, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Method of preparing a compound semiconductor crystal
Patent number
RE42279
Issue date
Apr 12, 2011
Sumitomo Electric Industries, Ltd.
Tomohiro Kawase
117 - Single-crystal, oriented-crystal, and epitaxy growth processes
Information
Patent Grant
Method of preparing group III-V compound semiconductor crystal
Patent number
RE41551
Issue date
Aug 24, 2010
Sumitomo Electric Industries, Ltd.
Tomohiro Kawase
117 - Single-crystal, oriented-crystal, and epitaxy growth processes
Information
Patent Grant
Method of preparing a compound semiconductor crystal
Patent number
RE40662
Issue date
Mar 17, 2009
Sumitomo Electric Industries, Ltd.
Tomohiro Kawase
117 - Single-crystal, oriented-crystal, and epitaxy growth processes
Information
Patent Grant
Porous UV-emitting semiconductor on porous substrate as sterilizing...
Patent number
7,468,529
Issue date
Dec 23, 2008
Sumitomo Electric Industries, Ltd.
Chihiro Kawai
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Method of preparing group III-V compound semiconductor crystal
Patent number
RE39778
Issue date
Aug 21, 2007
Sumitomo Electric Industries, Ltd.
Tomohiro Kawase
117 - Single-crystal, oriented-crystal, and epitaxy growth processes
Information
Patent Grant
Large size semiconductor crystal with low dislocation density
Patent number
6,866,714
Issue date
Mar 15, 2005
Sumitomo Electric Industries, Ltd.
Tomohiro Kawase
Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information
Patent Grant
Method for producing a semiconductor crystal
Patent number
6,780,244
Issue date
Aug 24, 2004
Sumitomo Electric Industries, Ltd.
Tomohiro Kawase
Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information
Patent Grant
Semiconductor crystal, and method and apparatus of production thereof
Patent number
6,572,700
Issue date
Jun 3, 2003
Sumitomo Electric Industries, Ltd.
Tomohiro Kawase
Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information
Patent Grant
Method of preparing a compound semiconductor crystal
Patent number
6,485,563
Issue date
Nov 26, 2002
Sumitomo Electric Industries, Ltd.
Tomohiro Kawase
C30 - CRYSTAL GROWTH
Information
Patent Grant
Group III-V nitride semiconductor growth method and vapor phase gro...
Patent number
6,475,277
Issue date
Nov 5, 2002
Sumitomo Electric Industries, Ltd.
Ryu Hirota
C30 - CRYSTAL GROWTH
Information
Patent Grant
Method of preparing a compound semiconductor crystal
Patent number
6,273,947
Issue date
Aug 14, 2001
Sumitomo Electric Industries, Ltd.
Tomohiro Kawase
C30 - CRYSTAL GROWTH
Information
Patent Grant
Semiconductor crystal, and method and apparatus of production thereof
Patent number
6,254,677
Issue date
Jul 3, 2001
Sumitomo Electric Industries, Ltd.
Katsushi Hashio
C30 - CRYSTAL GROWTH
Information
Patent Grant
Method of making GaN single crystal and apparatus for making GaN si...
Patent number
6,136,093
Issue date
Oct 24, 2000
Sumitomo Electric Industries, Ltd.
Hiromu Shiomi
C30 - CRYSTAL GROWTH
Information
Patent Grant
Method of preparing group III-V compound semiconductor crystal
Patent number
6,007,622
Issue date
Dec 28, 1999
Sumitomo Electric Industries, Ltd.
Tomohiro Kawase
C30 - CRYSTAL GROWTH
Information
Patent Grant
Method and apparatus for the growth of a single crystal
Patent number
5,951,758
Issue date
Sep 14, 1999
Sumitomo Electric Industries, Ltd.
Katsushi Hashio
C30 - CRYSTAL GROWTH
Information
Patent Grant
Method of preparing group II-VI or III-V compound single crystal
Patent number
5,830,269
Issue date
Nov 3, 1998
Sumitomo Electric Industries, Ltd.
Tomohiro Kawase
C30 - CRYSTAL GROWTH
Information
Patent Grant
Apparatus for growing a single crystal
Patent number
5,733,371
Issue date
Mar 31, 1998
Sumitomo Electric Industries, Ltd.
Katsushi Hashio
C30 - CRYSTAL GROWTH
Information
Patent Grant
Czochralski method using a member for intercepting radiation from a...
Patent number
5,429,067
Issue date
Jul 4, 1995
Sumitomo Electric Industries, Ltd.
Masami Tatsumi
C30 - CRYSTAL GROWTH
Information
Patent Grant
Czochralski method using a member for intercepting radiation from r...
Patent number
5,292,487
Issue date
Mar 8, 1994
Sumitomo Electric Industries, Ltd.
Masami Tatsumi
C30 - CRYSTAL GROWTH
Information
Patent Grant
Method of and apparatus for preparing single crystal
Patent number
5,290,395
Issue date
Mar 1, 1994
Sumitomo Electric Industries, Ltd.
Kazuhisa Matsumoto
C30 - CRYSTAL GROWTH
Information
Patent Grant
Apparatus for growing single crystals of III-V compound semiconductors
Patent number
5,256,381
Issue date
Oct 26, 1993
Sumitomo Electric Industries, Ltd.
Koji Tada
C30 - CRYSTAL GROWTH
Information
Patent Grant
Process and apparatus for growing single crystals of III-V compound...
Patent number
5,145,550
Issue date
Sep 8, 1992
Sumitomo Electric Industries, Ltd.
Koji Tada
C30 - CRYSTAL GROWTH
Information
Patent Grant
Method of manufacturing oxide superconducting films by peritectic r...
Patent number
4,994,437
Issue date
Feb 19, 1991
Sumitomo Electric Industries, Ltd.
Yasuko Torii
C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information
Patent Grant
Method for growing a single crystal
Patent number
4,678,534
Issue date
Jul 7, 1987
Sumitomo Electric Industries, Ltd.
Koji Tada
C30 - CRYSTAL GROWTH
Information
Patent Grant
Method of monitoring single crystal during growth
Patent number
4,634,490
Issue date
Jan 6, 1987
Sumitomo Electric Industries, Ltd.
Masami Tatsumi
C30 - CRYSTAL GROWTH
Information
Patent Grant
Magnetic field and current measuring device using a Faraday cell wi...
Patent number
4,608,535
Issue date
Aug 26, 1986
Sumitomo Electric Industries, Ltd.
Kohji Tada
G01 - MEASURING TESTING
Information
Patent Grant
Hologram recording material
Patent number
4,603,096
Issue date
Jul 29, 1986
Agency of Industrial Science and Technology
Koji Tada
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Optical voltage and electric field sensor
Patent number
4,595,876
Issue date
Jun 17, 1986
Sumitomo Electric Industries, Ltd.
Yoshiki Kuhara
G02 - OPTICS
Information
Patent Grant
Voltage and electric field measuring device using light
Patent number
4,563,093
Issue date
Jan 7, 1986
Sumitomo Electric Industries, Ltd.
Kohji Tada
G01 - MEASURING TESTING
Information
Patent Grant
Magneto-optical converter utilizing Faraday effect
Patent number
4,560,932
Issue date
Dec 24, 1985
Sumitomo Electric Industries, Ltd.
Tsutomu Mitsui
G02 - OPTICS
Patents Applications
last 30 patents
Information
Patent Application
Porous semiconductor and process for producing the same
Publication number
20050042743
Publication date
Feb 24, 2005
Chihiro Kawai
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Application
Large size semiconductor crystal with low dislocation density
Publication number
20030200913
Publication date
Oct 30, 2003
Sumitomo Electric Industries, Ltd.
Tomohiro Kawase
C30 - CRYSTAL GROWTH
Information
Patent Application
Method for producing a semiconductor crystal
Publication number
20030145782
Publication date
Aug 7, 2003
Sumitomo Electric Industries, Ltd.
Tomohiro Kawase
C30 - CRYSTAL GROWTH
Information
Patent Application
Semiconductor crystal, and method and apparatus of production thereof
Publication number
20010008115
Publication date
Jul 19, 2001
Tomohiro Kawase
C30 - CRYSTAL GROWTH
Information
Patent Application
Method of preparing a compound semiconductor crystal
Publication number
20010006040
Publication date
Jul 5, 2001
Sumitomo Electric Industries, Ltd.
Tomohiro Kawase
C30 - CRYSTAL GROWTH