Tsuneyo Seki

Person

Tokyo, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Contact material for contacts for vacuum interrupter and method of...
- Patent number 6,303,076
- Issue date Oct 16, 2001
- Kabushiki Kaisha Toshiba
- Atsushi Yamamoto
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Contact material
- Patent number 6,210,809
- Issue date Apr 3, 2001
- Kabushiki Kaisha Toshiba
- Tsutomu Okutomi
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Vacuum valve
- Patent number 6,107,582
- Issue date Aug 22, 2000
- Kabushiki Kaisha Toshiba
- Tsutomu Okutomi
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Electrode arrangement of vacuum circuit breaker with magnetic membe...
- Patent number 6,080,952
- Issue date Jun 27, 2000
- Kabushiki Kaisha Toshiba
- Tsutomu Okutomi
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Contact material for vacuum interrupter and method for producing th...
- Patent number 6,027,821
- Issue date Feb 22, 2000
- Kabushiki Kaisha Toshiba
- Atsushi Yamamoto
- B22 - CASTING POWDER METALLURGY
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
Contact material for vacuum valve
- Patent number 5,972,068
- Issue date Oct 26, 1999
- Kabushiki Kaisha Toshiba
- Tsuneyo Seki
- B22 - CASTING POWDER METALLURGY
Information Patent Grant
Contact material for vacuum valve and method of manufacturing the same
- Patent number 5,882,448
- Issue date Mar 16, 1999
- Kabushiki Kaisha Toshiba
- Tsuneyo Seki
- B22 - CASTING POWDER METALLURGY
Information Patent Grant
Contact electrode for vacuum interrupter
- Patent number 5,726,407
- Issue date Mar 10, 1998
- Kabushiki Kaisha Toshiba
- Tsutomu Okutomi
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Contact material for vacuum valve and method of manufacturing the same
- Patent number 5,698,008
- Issue date Dec 16, 1997
- Kabushiki Kaisha Toshiba
- Tsuneyo Seki
- B22 - CASTING POWDER METALLURGY
Information Patent Grant
Method of manufacturing a vacuum interrupter
- Patent number 5,687,472
- Issue date Nov 18, 1997
- Kabushiki Kaisha Toshiba
- Mitsutaka Honma
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Contacts material for vacuum valve
- Patent number 5,500,499
- Issue date Mar 19, 1996
- Kabushiki Kaisha Toshiba
- Tsuneyo Seki
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Contact material for a vacuum interrupter
- Patent number 5,420,384
- Issue date May 30, 1995
- Kabushiki Kaisha Toshiba
- Tsutomu Okutomi
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Contact material for vacuum valve
- Patent number 5,409,519
- Issue date Apr 25, 1995
- Kabushiki Kaisha Toshiba
- Tsuneyo Seki
- H01 - BASIC ELECTRIC ELEMENTS
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 material for vacuum circuit breakers
- Patent number 5,354,352
- Issue date Oct 11, 1994
- Kabushiki Kaisha Toshiba
- Tsuneyo Seki
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Vacuum interrupter
- Patent number 5,294,761
- Issue date Mar 15, 1994
- Kabushiki Kaisha Toshiba
- Tsutomu Okutomi
- H01 - BASIC ELECTRIC ELEMENTS
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

Tsuneyo Seki

Person

Patents Grantslast 30 patents

Contact material for contacts for vacuum interrupter and method of...

Contact material

Vacuum valve

Electrode arrangement of vacuum circuit breaker with magnetic membe...

Contact material for vacuum interrupter and method for producing th...

Contacts material

Contact material for vacuum valve

Contact material for vacuum valve and method of manufacturing the same

Contact electrode for vacuum interrupter

Contact material for vacuum valve and method of manufacturing the same

Method of manufacturing a vacuum interrupter

Contacts material for vacuum valve

Contact material for a vacuum interrupter

Contact material for vacuum valve

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

Contact material for vacuum circuit breakers

Vacuum interrupter

Contact for a vacuum interrupter

Contact forming material for a vacuum interrupter

Contact forming material for a vacuum interrupter