Takakazu Harada

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Tokyo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Vacuum valve
- Patent number 9,330,869
- Issue date May 3, 2016
- Mitsubishi Electric Corporation
- Takakazu Harada
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Vacuum valve
- Patent number 8,754,346
- Issue date Jun 17, 2014
- Mitsubishi Electric Corporation
- Takakazu Harada
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Vacuum interrupter
- Patent number 7,173,208
- Issue date Feb 6, 2007
- Mitsubishi Denki Kabushiki Kaisha
- Takakazu Harada
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Gas-insulated switchgear
- Patent number 6,459,567
- Issue date Oct 1, 2002
- Mitsubishi Denki Kabushiki Kaisha
- Masahiro Arioka
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER

Patents Applicationslast 30 patents

Information Patent Application
VACUUM VALVE
- Publication number 20160035519
- Publication date Feb 4, 2016
- MITSUBISHI ELECTRIC CORPORATION
- Takakazu HARADA
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
VACUUM VALVE
- Publication number 20120228265
- Publication date Sep 13, 2012
- Takakazu Harada
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Vacuum interrupter
- Publication number 20060124600
- Publication date Jun 15, 2006
- Mitsubishi Denki Kabushiki Kaisha
- Takakazu Harada
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Vacuum valve
- Publication number 20020153353
- Publication date Oct 24, 2002
- Mitsubishi Denki Kabushiki Kaisha
- Kouichi Inagaki
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Gas-insulated switchgear
- Publication number 20020015281
- Publication date Feb 7, 2002
- Mitsubishi Denki Kabushiki Kaisha
- Masahiro Arioka
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER