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Kengo Ohkura
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Osaka-shi, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Cooling method of superconducting cable line
Patent number
7,296,419
Issue date
Nov 20, 2007
Sumitomo Electric Industries, Ltd.
Chizuru Suzawa
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Connection structure for superconducting conductors including stack...
Patent number
6,414,244
Issue date
Jul 2, 2002
Sumitomo Electric Industries, Ltd.
Munetsugu Ueyama
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Method and apparatus for cooling superconductor
Patent number
6,354,087
Issue date
Mar 12, 2002
Sumitomo Electric Industries, Ltd.
Tuneo Nakahara
F17 - STORING OF DISTRIBUTING GASES OR LIQUIDS
Information
Patent Grant
Oxide superconducting wire, manufacturing method thereof, oxide sup...
Patent number
6,272,732
Issue date
Aug 14, 2001
Sumitomo Electric Industries, Ltd.
Kengo Ohkura
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Oxide superconducting wire manufacturing method
Patent number
6,158,106
Issue date
Dec 12, 2000
Sumitomo Electric Industries, Inc.
Kengo Ohkura
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Superconducting coil
Patent number
5,861,788
Issue date
Jan 19, 1999
Sumitomo Electric Industries, Ltd.
Kengo Ohkura
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Oxide superconducting material, process for preparing the same and...
Patent number
5,849,672
Issue date
Dec 15, 1998
Sumitomo Electric Industries, Ltd.
Yasuko Torii
C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information
Patent Grant
Cooling method and energizing method of superconductor
Patent number
5,787,714
Issue date
Aug 4, 1998
Sumitomo Electric Industries, Ltd.
Kengo Ohkura
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Grant
Process for producing stabilized carbon cluster conducting material
Patent number
5,637,260
Issue date
Jun 10, 1997
Sumitomo Electric Industries, Ltd.
Nobuyuki Okuda
B82 - NANO-TECHNOLOGY
Information
Patent Grant
Process for producing stabilized carbon cluster conducting or super...
Patent number
5,635,455
Issue date
Jun 3, 1997
Sumitomo Electric Industries, Ltd.
Nobuyuki Okuda
B82 - NANO-TECHNOLOGY
Information
Patent Grant
Superconductive material
Patent number
5,614,471
Issue date
Mar 25, 1997
Sumitomo Electric Industries, Ltd.
Kengo Ohkura
C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information
Patent Grant
Stabilized carbon cluster conducting or superconducting material, p...
Patent number
5,589,281
Issue date
Dec 31, 1996
Sumitomo Electric Industries, Ltd.
Nobuyuki Okuda
B82 - NANO-TECHNOLOGY
Information
Patent Grant
Method of preparing carbon cluster film having electrical conductivity
Patent number
5,538,763
Issue date
Jul 23, 1996
Sumitomo Electric Industries, Ltd.
Yoshinobu Ueba
C30 - CRYSTAL GROWTH
Information
Patent Grant
Oxide superconducting material, process for preparing the same and...
Patent number
5,521,148
Issue date
May 28, 1996
Sumitomo Electric Industries, Ltd.
Yasuko Torii
C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information
Patent Grant
Multifilamentary oxide superconducting wire and coil formed by the...
Patent number
5,516,753
Issue date
May 14, 1996
Sumitomo Electric Industries, Ltd.
Kengo Ohkura
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Carbon cluster film having electrical conductivity and method of pr...
Patent number
5,380,595
Issue date
Jan 10, 1995
Sumitomo Electric Industries, Ltd.
Yoshinobu Ueba
C30 - CRYSTAL GROWTH
Information
Patent Grant
Method of manufacturing superconductive conductor
Patent number
5,310,704
Issue date
May 10, 1994
Sumitomo Electric Industries, Inc.
Hajime Hitotsuyanagi
C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information
Patent Grant
Superconducting wire and method of manufacturing the same
Patent number
4,973,574
Issue date
Nov 27, 1990
Sumitomo Electric Industries, Ltd.
Masanobu Nishio
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Ceramic superconductor and light transmitting composite wire
Patent number
4,842,366
Issue date
Jun 27, 1989
Sumitomo Electric Industries, Ltd.
Kazuo Sawada
G02 - OPTICS
Patents Applications
last 30 patents
Information
Patent Application
Superconducting device and superconducting cable
Publication number
20060116292
Publication date
Jun 1, 2006
SUMITOMO ELECTRIC INDUSTRIES, LTD.
Takeshi Kato
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Cooling method of superconducting cable line
Publication number
20050067174
Publication date
Mar 31, 2005
Chizuru Suzawa
Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information
Patent Application
Connection structure for superconducting conductors
Publication number
20020020546
Publication date
Feb 21, 2002
Munetsugu Ueyama
H01 - BASIC ELECTRIC ELEMENTS