Ken Yanagihashi

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Tokyo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Power system protection system
- Patent number 7,579,712
- Issue date Aug 25, 2009
- The Tokyo Electric Power Company
- Ken Yanagihashi
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER

Patents Applicationslast 30 patents

Information Patent Application
Power system protection system
- Publication number 20070198985
- Publication date Aug 23, 2007
- Ken Yanagihashi
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...