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Yasuo Matsushita
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Hitachi, JP
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last 30 patents
Information
Patent Grant
Composite ceramics and method of making the same
Patent number
4,923,829
Issue date
May 8, 1990
Hitachi, Ltd.
Yoshiyuki Yasutomi
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Ceramic packaged semiconductor device
Patent number
4,651,192
Issue date
Mar 17, 1987
Hitachi, Ltd.
Yasuo Matsushita
H01 - BASIC ELECTRIC ELEMENTS
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
Ignition distributor for internal combustion engine
Patent number
4,581,501
Issue date
Apr 8, 1986
Hitachi, Ltd.
Ken Takahashi
F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
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
Ignition distributor for internal combustion engine
Patent number
4,565,907
Issue date
Jan 21, 1986
Hitachi, Ltd.
Ken Takahashi
F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information
Patent Grant
Electrically conductive sintered ceramics and ceramic heaters
Patent number
4,555,358
Issue date
Nov 26, 1985
Hitachi, Ltd.
Yasuo Matsushita
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
Electroconductive ceramics
Patent number
4,528,121
Issue date
Jul 9, 1985
Hitachi, Ltd.
Yasuo Matsushita
C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information
Patent Grant
Ceramic packaged semiconductor device
Patent number
4,517,584
Issue date
May 14, 1985
Hitachi, Ltd.
Yasuo Matsushita
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
High temperature thermistor
Patent number
4,467,309
Issue date
Aug 21, 1984
Hitachi, Ltd.
Yasuo Matsushita
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