Tadaaki Sekiguchi

Person

Yokohama, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Contacts material
- Patent number 6,024,896
- Issue date Feb 15, 2000
- Kabushiki Kaisha Toshiba
- Tsutomu Okutomi
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Process for manufacturing a contact material for vacuum circuit bre...
- Patent number 5,403,543
- Issue date Apr 4, 1995
- Kabushiki Kaisha Toshiba
- Tsutomu Okutomi
- B22 - CASTING POWDER METALLURGY
Information Patent Grant
Contact for a vacuum interrupter
- Patent number 5,246,512
- Issue date Sep 21, 1993
- Kabushiki Kaisha Toshiba
- Tsuneyo Seki
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Contact forming material for a vacuum interrupter
- Patent number 5,149,362
- Issue date Sep 22, 1992
- Kabushiki Kaisha Toshiba
- Tsutomu Okutomi
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Contact forming material for a vacuum interrupter
- Patent number 5,045,281
- Issue date Sep 3, 1991
- Kabushiki Kaisha Toshiba
- Tsutomu Okutomi
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Process of making a contact forming material for a vacuum valve
- Patent number 4,830,821
- Issue date May 16, 1989
- Kabushiki Kaisha Toshiba
- Tsutomu Okutomi
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Contact forming material for a vacuum valve
- Patent number 4,777,335
- Issue date Oct 11, 1988
- Kabushiki Kaisha Toshiba
- Tsutomu Okutomi
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...

Tadaaki Sekiguchi

Person

Patents Grantslast 30 patents

Contacts material

Process for manufacturing a contact material for vacuum circuit bre...

Contact for a vacuum interrupter

Contact forming material for a vacuum interrupter

Contact forming material for a vacuum interrupter

Process of making a contact forming material for a vacuum valve

Contact forming material for a vacuum valve