Tobioka Masaaki

Person

Hyogo, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Method for producing an elongated sintered article
- Patent number 5,480,601
- Issue date Jan 2, 1996
- Sumitomo Electric Industries, Ltd.
- Susumu Yamamoto
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Surface-coated hard material for cutting tools or wear resistance t...
- Patent number 5,266,389
- Issue date Nov 30, 1993
- Sumitomo Electric Industries, Ltd.
- Naoya Omori
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Method for producing an elongated sintered article
- Patent number 5,252,288
- Issue date Oct 12, 1993
- Sumitomo Electric Industries, Inc.
- Susumu Yamamoto
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Coated cemented carbides
- Patent number 5,116,694
- Issue date May 26, 1992
- Sumitomo Electric Industries, Ltd.
- Hiroshi Tsukada
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Method for producing an elongated sintered article
- Patent number 5,114,641
- Issue date May 19, 1992
- Sumitomo Electric Industries, Ltd.
- Susumu Yamamoto
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Gaseous phase synthesized diamond and method for synthesizing same
- Patent number 5,112,643
- Issue date May 12, 1992
- Sumitomo Electric Industries, Ltd.
- Akihiko Ikegaya
- C30 - CRYSTAL GROWTH
Information Patent Grant
Method for producing an elongated sintered article
- Patent number 5,006,289
- Issue date Apr 9, 1991
- Sumitomo Electric Industries, Ltd.
- Susumu Yamamoto
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Surface-coated cemented carbide and a process for the production of...
- Patent number 4,911,989
- Issue date Mar 27, 1990
- Sumitomo Electric Industries, Ltd.
- Nakano Minoru
- B22 - CASTING POWDER METALLURGY
Information Patent Grant
Gaseous phase synthesized diamond and method for synthesizing same
- Patent number 4,900,628
- Issue date Feb 13, 1990
- Sumitomo Electric Industries, Ltd.
- Akihiko Ikegaya
- C30 - CRYSTAL GROWTH
Information Patent Grant
Method for synthesizing diamond
- Patent number 4,859,490
- Issue date Aug 22, 1989
- Sumitomo Electric Industries, Ltd.
- Akihiko Ikegaya
- C30 - CRYSTAL GROWTH
Information Patent Grant
High toughness cermet and a process for the production of the same
- Patent number 4,769,070
- Issue date Sep 6, 1988
- Sumitomo Electric Industries, Ltd.
- Masaaki Tobioka
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Multilayer coated cemented carbides
- Patent number 4,746,563
- Issue date May 24, 1988
- Sumitomo Electric Industries, Ltd.
- Minoru Nakano
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Process for the production of a surface-coated article
- Patent number 4,675,206
- Issue date Jun 23, 1987
- Sumitomo Electric Industries, Ltd.
- Akihiko Ikegaya
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Sintered hard metal and the method for producing the same
- Patent number 4,279,651
- Issue date Jul 21, 1981
- Sumitomo Electric Industries, Ltd.
- Naoji Fujimori
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Sintered hard metal and the method for producing the same
- Patent number 4,277,283
- Issue date Jul 7, 1981
- Sumitomo Electric Industries, Ltd.
- Masaaki Tobioka
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
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
Surface-coated cemented carbide article and a process for the produ...
- Patent number 4,150,195
- Issue date Apr 17, 1979
- Sumitomo Electric Industries, Ltd.
- Masaaki Tobioka
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR

Tobioka Masaaki

Person

Patents Grantslast 30 patents

Method for producing an elongated sintered article

Surface-coated hard material for cutting tools or wear resistance t...

Method for producing an elongated sintered article

Coated cemented carbides

Method for producing an elongated sintered article

Gaseous phase synthesized diamond and method for synthesizing same

Method for producing an elongated sintered article

Surface-coated cemented carbide and a process for the production of...

Gaseous phase synthesized diamond and method for synthesizing same

Method for synthesizing diamond

High toughness cermet and a process for the production of the same

Multilayer coated cemented carbides

Process for the production of a surface-coated article

Sintered hard metal and the method for producing the same

Sintered hard metal and the method for producing the same

Coated tool steel and machining tool formed therefrom

Surface-coated cemented carbide article and a process for the produ...