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Yoshiyuki Yasutomi
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Mito, JP
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last 30 patents
Information
Patent Grant
Process for producing fiber reinforced composite
Patent number
5,876,659
Issue date
Mar 2, 1999
Hitachi, Ltd.
Yoshiyuki Yasutomi
B22 - CASTING POWDER METALLURGY
Information
Patent Grant
Apparatus having sliding member with precursor material providing s...
Patent number
5,851,675
Issue date
Dec 22, 1998
Hitachi, Ltd.
Tomohito Oyagi
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Grant
Self-recoverable covering material and method for fabricating the same
Patent number
5,736,198
Issue date
Apr 7, 1998
Hitachi, Ltd.
Yoshiyuki Yasutomi
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Grant
Method of non-destructively estimating life of ceramic member
Patent number
5,625,153
Issue date
Apr 29, 1997
Hitachi, Ltd.
Yuichi Sawai
G01 - MEASURING TESTING
Information
Patent Grant
Ceramic body and method and apparatus for detecting change thereof
Patent number
5,581,039
Issue date
Dec 3, 1996
Hitachi, Ltd.
Yoshiyuki Yasutomi
G01 - MEASURING TESTING
Information
Patent Grant
Conductive material and process for preparing the same
Patent number
5,403,674
Issue date
Apr 4, 1995
Hitachi, Ltd.
Yoshiyuki Yasutomi
C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information
Patent Grant
Process for producing ceramic compositions
Patent number
5,378,417
Issue date
Jan 3, 1995
Hitachi, Ltd.
Yoshiyuki Yasutomi
C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information
Patent Grant
Ceramic composite and process for production thereof
Patent number
5,316,987
Issue date
May 31, 1994
Hitachi, Ltd.
Yoshiyuki Yasutomi
C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information
Patent Grant
Conductive material and process for preparing the same
Patent number
5,271,871
Issue date
Dec 21, 1993
Hitachi, Ltd.
Yoshiyuki Yasutomi
C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information
Patent Grant
Slip casting method
Patent number
5,252,273
Issue date
Oct 12, 1993
Hitachi, Ltd.
Junji Sakai
B28 - WORKING CEMENT, CLAY, OR STONE
Information
Patent Grant
High strength composite ceramic structure and process for producing...
Patent number
5,200,373
Issue date
Apr 6, 1993
Hitachi, Ltd.
Yoshiyuki Yasutomi
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Grant
Ceramic composite and process for the production thereof
Patent number
5,130,055
Issue date
Jul 14, 1992
Yoshiyuki Yasutomi
C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information
Patent Grant
Conductive material and process for preparing the same
Patent number
5,085,806
Issue date
Feb 4, 1992
Hitachi, Ltd.
Yoshiyuki Yasutomi
C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information
Patent Grant
Installation structure of integrated circuit devices
Patent number
5,045,922
Issue date
Sep 3, 1991
Hitachi, Ltd.
Hironori Kodama
H01 - BASIC ELECTRIC ELEMENTS
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...