Akio Hara

Person

Itami, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Hard sintered compact for a tool
- Patent number 5,037,704
- Issue date Aug 6, 1991
- Sumitomo Electric Industries, Ltd.
- Tetsuo Nakai
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Composite tool and a process for the production of the same
- Patent number 4,950,557
- Issue date Aug 21, 1990
- Sumitomo Electric Industries, Ltd.
- Tetsuo Nakai
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Process for the production of a composite tool
- Patent number 4,890,782
- Issue date Jan 2, 1990
- Sumitomo Electric Industries, Ltd.
- Tetsuo Nakai
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Stick of composite materials and process for preparation thereof
- Patent number 4,880,707
- Issue date Nov 14, 1989
- Sumitomo Electric Industries Ltd.
- Yuichiro Kohno
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Composite sintered material having sandwich structure
- Patent number 4,861,673
- Issue date Aug 29, 1989
- Sumitomo Electric Industries, Ltd.
- Akio Hara
- B22 - CASTING POWDER METALLURGY
Information Patent Grant
Process for the production of a cutting tool
- Patent number 4,755,399
- Issue date Jul 5, 1988
- Sumitomo Electric Industries, Ltd.
- Hiroshi Fujii
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Coated hard metal tool
- Patent number 4,643,620
- Issue date Feb 17, 1987
- Sumitomo Electric Industries, Ltd.
- Hiroshi Fujii
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Hard alloy containing molybdenum
- Patent number 4,639,352
- Issue date Jan 27, 1987
- Sumitomo Electric Industries, Ltd.
- Mitsuo Kodama
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Process for producing sintered ferrous alloys
- Patent number 4,614,638
- Issue date Sep 30, 1986
- Sumitomo Electric Industries, Ltd.
- Nobuhito Kuroishi
- B22 - CASTING POWDER METALLURGY
Information Patent Grant
Process for the production of bonded hard alloys
- Patent number 4,492,846
- Issue date Jan 8, 1985
- Sumitomo Electric Industries, Ltd.
- Akio Hara
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Sintered body for use in a cutting tool and the method for producin...
- Patent number 4,442,180
- Issue date Apr 10, 1984
- Sumitomo Electric Industries, Ltd.
- Akio Hara
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Diamond sintered compact wherein crystal particles are uniformly or...
- Patent number 4,425,315
- Issue date Jan 10, 1984
- Sumitomo Electric Industries, Ltd.
- Kazuo Tsuji
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Method for producing a diamond sintered compact
- Patent number 4,412,980
- Issue date Nov 1, 1983
- Sumitomo Electric Industries, Ltd.
- Kazuo Tsuji
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Compound sintered compact for use in a tool and the method for prod...
- Patent number 4,403,015
- Issue date Sep 6, 1983
- Sumitomo Electric Industries, Ltd.
- Tetsuo Nakai
- B22 - CASTING POWDER METALLURGY
Information Patent Grant
Sintered compact for use in a tool and the method for producing the...
- Patent number 4,389,465
- Issue date Jun 21, 1983
- Sumitomo Electric Industries, Ltd.
- Tetsuo Nakai
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Process for the production of a hard solid solution containing moly...
- Patent number 4,384,884
- Issue date May 24, 1983
- Sumitomo Electric Industries, Ltd.
- Masaya Miyake
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Composite diamond compact for a wire drawing die and a process for...
- Patent number 4,374,900
- Issue date Feb 22, 1983
- Sumitomo Electric Industry, Ltd.
- Akio Hara
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Grant
Diamond compact for a wire drawing die and a process for the produc...
- Patent number 4,370,149
- Issue date Jan 25, 1983
- Sumitomo Electric Industries, Ltd.
- Akio Hara
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Grant
Sintered compact for use in a tool
- Patent number 4,343,651
- Issue date Aug 10, 1982
- Sumitomo Electric Industries, Ltd.
- Shuji Yazu
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Sintered compact for a machining tool and a method of producing the...
- Patent number 4,334,928
- Issue date Jun 15, 1982
- Sumitomo Electric Industries, Ltd.
- Akio Hara
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Process of producing a sintered compact
- Patent number 4,333,902
- Issue date Jun 8, 1982
- Sumitomo Electric Industries, Ltd.
- Akio Hara
- B22 - CASTING POWDER METALLURGY
Information Patent Grant
Diamond sintered compact wherein crystal particles are uniformly or...
- Patent number 4,333,986
- Issue date Jun 8, 1982
- Sumitomo Electric Industries, Ltd.
- Kazuo Tsuji
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Diamond sintered body and the method for producing the same
- Patent number 4,303,442
- Issue date Dec 1, 1981
- Sumitomo Electric Industries, Ltd.
- Akio Hara
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Sintered body for use in a cutting tool and the method for producin...
- Patent number 4,293,618
- Issue date Oct 6, 1981
- Sumitomo Electric Industries, Ltd.
- Akio Hara
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Hard alloy containing molybdenum and tungsten
- Patent number 4,265,662
- Issue date May 5, 1981
- Sumitomo Electric Industries, Ltd.
- Masaya Miyake
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Method of producing a sintered diamond compact
- Patent number 4,231,762
- Issue date Nov 4, 1980
- Sumitomo Electric Industries, Ltd.
- Akio Hara
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Process for producing sintered hard metals and an apparatus therefor
- Patent number 4,225,344
- Issue date Sep 30, 1980
- Sumitomo Electric Industries, Ltd.
- Naoji Fujimori
- B22 - CASTING POWDER METALLURGY
Information Patent Grant
Method of making alloy and carbide powders of molybdenum and tungsten
- Patent number 4,216,009
- Issue date Aug 5, 1980
- Sumitomo Electric Industries, Ltd.
- Masaya Miyake
- B22 - CASTING POWDER METALLURGY
Information Patent Grant
Process for the production of a hard solid solution
- Patent number 4,216,034
- Issue date Aug 5, 1980
- Sumitomo Electric Industries, Ltd.
- Masaya Miyake
- B22 - CASTING POWDER METALLURGY
Information Patent Grant
Diamond/sintered carbide cutting tool
- Patent number 4,171,973
- Issue date Oct 23, 1979
- Sumitomo Electric Industries, Ltd.
- Akio Hara
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR

Person

Patents Grantslast 30 patents

Hard sintered compact for a tool

Composite tool and a process for the production of the same

Process for the production of a composite tool

Stick of composite materials and process for preparation thereof

Composite sintered material having sandwich structure

Process for the production of a cutting tool

Coated hard metal tool

Hard alloy containing molybdenum

Process for producing sintered ferrous alloys

Process for the production of bonded hard alloys

Sintered body for use in a cutting tool and the method for producin...

Diamond sintered compact wherein crystal particles are uniformly or...

Method for producing a diamond sintered compact

Compound sintered compact for use in a tool and the method for prod...

Sintered compact for use in a tool and the method for producing the...

Process for the production of a hard solid solution containing moly...

Composite diamond compact for a wire drawing die and a process for...

Diamond compact for a wire drawing die and a process for the produc...

Sintered compact for use in a tool

Sintered compact for a machining tool and a method of producing the...

Process of producing a sintered compact

Diamond sintered compact wherein crystal particles are uniformly or...

Diamond sintered body and the method for producing the same

Sintered body for use in a cutting tool and the method for producin...

Hard alloy containing molybdenum and tungsten

Method of producing a sintered diamond compact

Process for producing sintered hard metals and an apparatus therefor

Method of making alloy and carbide powders of molybdenum and tungsten

Process for the production of a hard solid solution

Diamond/sintered carbide cutting tool