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Masaaki Hamano
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Ohnuki, JP
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last 30 patents
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Patent Grant
Heat-resistant composite magnet and method for producing the same
Patent number
4,264,361
Issue date
Apr 28, 1981
Mitsubishi Seiko Kabushiki Kaisha
Seishi Yajima
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Method for producing metal nitride sintered moldings
Patent number
4,164,528
Issue date
Aug 14, 1979
The Research Institute for Iron, Steel and other Metals of the Tohoku University
Seishi Yajima
C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information
Patent Grant
Method for producing heat-resistant composite materials reinforced...
Patent number
4,158,687
Issue date
Jun 19, 1979
The Research Institute for Iron, Steel and other Metals of the Tohoku University
Seishi Yajima
C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information
Patent Grant
Method for producing composite materials consisting of continuous s...
Patent number
4,141,726
Issue date
Feb 27, 1979
The Research Institute for Iron, Steel and other Metals of the Tohoku University
Seishi Yajima
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Heat resistant and super hard composite materials and a method for...
Patent number
4,127,411
Issue date
Nov 28, 1978
The Foundation: The Research Institute for Special Inorganic Materials
Seishi Yajima
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Silicon carbide sintered moldings and a method for producing said m...
Patent number
4,110,386
Issue date
Aug 29, 1978
The Research Institute for Iron, Steel and Other Metals of the Tohoku University
Seishi Yajima
C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES