Tetsuo Matsushima

Person

Takaido-Higashi, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Distance relay apparatus
- Patent number 7,233,470
- Issue date Jun 19, 2007
- Kabushiki Kaisha Toshiba
- Takahiro Kase
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Digital distance relay
- Patent number 6,498,709
- Issue date Dec 24, 2002
- Kabushiki Kaisha Toshiba
- Yasuhiro Kurosawa
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Test method and apparatus for testing a protective relay system
- Patent number 5,786,699
- Issue date Jul 28, 1998
- Kabushiki Kaisha Toshiba
- Yukio Sukegawa
- G01 - MEASURING TESTING
Information Patent Grant
Test method and apparatus for testing a protective relay system
- Patent number 5,666,060
- Issue date Sep 9, 1997
- Kabushiki Kaisha Toshiba
- Yukio Sukegawa
- G01 - MEASURING TESTING
Information Patent Grant
Test method and apparatus for testing a protective relay system
- Patent number 5,576,625
- Issue date Nov 19, 1996
- Kabushiki Kaisha Toshiba
- Yukio Sukegawa
- G01 - MEASURING TESTING
Information Patent Grant
Digital fault locator
- Patent number 4,857,854
- Issue date Aug 15, 1989
- Kabushiki Kaisha Toshiba
- Tetsuo Matsushima
- G01 - MEASURING TESTING
Information Patent Grant
Digital distance relays
- Patent number 4,357,666
- Issue date Nov 2, 1982
- Tokyo Shibaura Denki Kabushiki Kaisha
- Tetsuo Matsushima
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Digital type distance relay system
- Patent number 4,344,143
- Issue date Aug 10, 1982
- Tokyo Shibaura Denki Kabushiki Kaisha
- Yasuhiro Kurosawa
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Method for protecting an electric power system and digital protecti...
- Patent number 4,333,151
- Issue date Jun 1, 1982
- Tokyo Shibaura Denki Kabushiki Kaisha
- Tetsuo Matsushima
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Distance relaying systems
- Patent number 4,212,046
- Issue date Jul 8, 1980
- Tokyo Shibaura Denki Kabushiki Kaisha
- Fumio Andow
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER

Patents Applicationslast 30 patents

Information Patent Application
Distance relay apparatus
- Publication number 20040008458
- Publication date Jan 15, 2004
- Takahiro Kase
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
Digital distance relay
- Publication number 20020012213
- Publication date Jan 31, 2002
- KABUSHIKI KAISHA TOSHIBA
- Yasuhiro Kurosawa
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER

Tetsuo Matsushima

Person

Patents Grantslast 30 patents

Distance relay apparatus

Digital distance relay

Test method and apparatus for testing a protective relay system

Test method and apparatus for testing a protective relay system

Test method and apparatus for testing a protective relay system

Digital fault locator

Digital distance relays

Digital type distance relay system

Method for protecting an electric power system and digital protecti...

Distance relaying systems

Patents Applicationslast 30 patents

Distance relay apparatus

Digital distance relay