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Yukio Takeda
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Hitachi, JP
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last 30 patents
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Patent Grant
Superconducting wire and method of manufacturing the same
Patent number
5,935,912
Issue date
Aug 10, 1999
Hitachi, Ltd.
Ken Takahashi
C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information
Patent Grant
Superconducting wire and method of manufacturing the same
Patent number
5,093,314
Issue date
Mar 3, 1992
Hitachi, Ltd.
Ken Takahashi
C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information
Patent Grant
Electrical insulating, sintered aluminum nitride body having a high...
Patent number
4,796,077
Issue date
Jan 3, 1989
Hitachi, Ltd.
Yukio Takeda
C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information
Patent Grant
Film magnetic head slider having a contacting portion containing zi...
Patent number
4,734,802
Issue date
Mar 29, 1988
Hitachi, Ltd.
Shinsuke Higuchi
C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information
Patent Grant
Thin film magnetic head slider
Patent number
4,639,803
Issue date
Jan 27, 1987
Hitachi, Ltd.
Yukio Takeda
G11 - INFORMATION STORAGE
Information
Patent Grant
Sintered aluminum nitride semi-conductor device
Patent number
4,585,706
Issue date
Apr 29, 1986
Hitachi, Ltd.
Yukio Takeda
C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information
Patent Grant
Semiconductor device having electrically insulating substrate of SiC
Patent number
4,571,610
Issue date
Feb 18, 1986
Hitachi, Ltd.
Yasuo Matsushita
C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information
Patent Grant
Powdery silicon carbide composition for sintering
Patent number
4,561,891
Issue date
Dec 31, 1985
Hitachi, Ltd.
Kunihiro Maeda
C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information
Patent Grant
Electrically insulating silicon carbide sintered body
Patent number
4,561,010
Issue date
Dec 24, 1985
Hitachi, Ltd.
Satoru Ogihara
C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information
Patent Grant
Sintered aluminum nitride and semi-conductor device using the same
Patent number
4,540,673
Issue date
Sep 10, 1985
Hitachi, Ltd.
Yukio Takeda
C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information
Patent Grant
Electrically insulating substrate and a method of making such a sub...
Patent number
4,370,421
Issue date
Jan 25, 1983
Hitachi, Ltd.
Yasuo Matsushita
C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES