Yoshihiko Doi

Person

Itami, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Formation of a ceramic composite by centrifugal casting
- Patent number 5,262,366
- Issue date Nov 16, 1993
- Sumitomo Electric Industries, Ltd.
- Akira Yamakawa
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Grant
Ceramic compact and a process for the production of the same
- Patent number 4,994,418
- Issue date Feb 19, 1991
- Sumitomo Electric Industries, Ltd.
- Akira Yamakawa
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Grant
Manufacturing method of super-heat-resisting alloy material
- Patent number 4,710,345
- Issue date Dec 1, 1987
- Japan as represented by Director-General, Agency of Industrial Science & Tech...
- Yoshihiko Doi
- B22 - CASTING POWDER METALLURGY
Information Patent Grant
Method of producing rocket combustors
- Patent number 4,584,171
- Issue date Apr 22, 1986
- National Aerospace Laboratories of Science & Technology Agency
- Masayuki Niino
- B22 - CASTING POWDER METALLURGY
Information Patent Grant
Method of producing rocket combustors
- Patent number 4,582,678
- Issue date Apr 15, 1986
- National Aerospace Laboratories of Science & Technology Agency
- Masayuki Niino
- B22 - CASTING POWDER METALLURGY
Information Patent Grant
Process of physical vapor deposition
- Patent number 4,507,189
- Issue date Mar 26, 1985
- Sumitomo Electric Industries, Ltd.
- Yoshihiko Doi
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Substrate for use in semiconductor apparatus
- Patent number 4,480,013
- Issue date Oct 30, 1984
- Sumitomo Electric Industries, Ltd.
- Yoshihiko Doi
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Highly hard material coated articles
- Patent number 4,402,994
- Issue date Sep 6, 1983
- Sumitomo Electric Industries, Ltd.
- Mitsunori Kobayashi
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Sintering furnace for powder metallurgy
- Patent number 4,401,297
- Issue date Aug 30, 1983
- Sumitomo Electric Industries, Ltd.
- Yoshihiko Doi
- B22 - CASTING POWDER METALLURGY
Information Patent Grant
Highly hard material coated articles
- Patent number 4,401,719
- Issue date Aug 30, 1983
- Sumitomo Electric Industries, Ltd.
- Mitsunori Kobayashi
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Method of sintering a ceramic composition
- Patent number 4,383,957
- Issue date May 17, 1983
- Sumitomo Electric Industries, Ltd.
- Akira Yamakawa
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Grant
Coated tool steel and machining tool formed therefrom
- Patent number 4,169,913
- Issue date Oct 2, 1979
- Sumitomo Electric Industries, Ltd.
- Mitsunori Kobayashi
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Super hard metal roll assembly and production thereof
- Patent number 4,137,106
- Issue date Jan 30, 1979
- Sumitomo Electric Industries, Ltd.
- Yoshihiko Doi
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...

Patents Applicationslast 30 patents

Information Patent Application
METHOD FOR MANUFACTURING FINE FREE CARBON DISPERSION TYPE CEMENTED...
- Publication number 20190144973
- Publication date May 16, 2019
- UGEL CORPORATION
- Yoshihiko DOI
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...

Yoshihiko Doi

Person

Patents Grantslast 30 patents

Formation of a ceramic composite by centrifugal casting

Ceramic compact and a process for the production of the same

Manufacturing method of super-heat-resisting alloy material

Method of producing rocket combustors

Method of producing rocket combustors

Process of physical vapor deposition

Substrate for use in semiconductor apparatus

Highly hard material coated articles

Sintering furnace for powder metallurgy

Highly hard material coated articles

Method of sintering a ceramic composition

Coated tool steel and machining tool formed therefrom

Super hard metal roll assembly and production thereof

Patents Applicationslast 30 patents

METHOD FOR MANUFACTURING FINE FREE CARBON DISPERSION TYPE CEMENTED...