Haruhiko Koyama

Person

Chiyoda-ku, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Gas circuit breaker
- Patent number 9,165,732
- Issue date Oct 20, 2015
- Mitsubishi Electric Corporation
- Hirokazu Otani
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Inrush-current suppressing device and inrush-current suppressing me...
- Patent number 9,065,268
- Issue date Jun 23, 2015
- Mitsubishi Electric Corporation
- Tomohito Mori
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Phase-control switching apparatus and switching control method for...
- Patent number 8,008,810
- Issue date Aug 30, 2011
- Mitsubishi Electric Corporation
- Sadayuki Kinoshita
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Phase control switching device
- Patent number 7,936,093
- Issue date May 3, 2011
- Mitsubishi Electric Corporation
- Sadayuki Kinoshita
- Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information Patent Grant
Switchgear control apparatus
- Patent number 7,787,228
- Issue date Aug 31, 2010
- Mitsubishi Electric Corporation
- Haruhiko Koyama
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Power switching apparatus and method of controlling the same
- Patent number 7,741,937
- Issue date Jun 22, 2010
- Mitsubishi Electric Corporation
- Tomohito Mori
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Power switching control apparatus
- Patent number 7,711,502
- Issue date May 4, 2010
- Mitsubishi Electric Corporation
- Haruhiko Koyama
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Switchgear control apparatus
- Patent number 7,616,419
- Issue date Nov 10, 2009
- Mitsubishi Electric Corporation
- Haruhiko Koyama
- H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

Information Patent Application
GAS CIRCUIT BREAKER
- Publication number 20140069891
- Publication date Mar 13, 2014
- Mistubishi Electric Corporation
- Hirokazu Otani
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
INRUSH-CURRENT SUPPRESSING DEVICE AND INRUSH-CURRENT SUPPRESSING ME...
- Publication number 20120293896
- Publication date Nov 22, 2012
- Tomohito Mori
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
PHASE-CONTROL SWITCHING APPARATUS AND SWITCHING CONTROL METHOD FOR...
- Publication number 20100085668
- Publication date Apr 8, 2010
- Mitsubishi Electric Corporation
- Sadayuki Kinoshita
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
PHASE CONTROL SWITCHING DEVICE
- Publication number 20100072828
- Publication date Mar 25, 2010
- MITSUBISHI ELECTRIC CORPORATION
- Sadayuki Kinoshita
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Power switching apparatus and method of controlling the same
- Publication number 20090058573
- Publication date Mar 5, 2009
- MITSUBISHI ELECTRIC CORPORATION
- Tomohito Mori
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Switchgear Control Apparatus
- Publication number 20080164962
- Publication date Jul 10, 2008
- Mitsubishi Electric Corporation
- Haruhiko Koyama
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Switchgear control apparatus
- Publication number 20080123234
- Publication date May 29, 2008
- Mitsubishi Electric Corporation
- Haruhiko Koyama
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Power switching control apparatus
- Publication number 20070285850
- Publication date Dec 13, 2007
- Mitsubishi Electric Corporation
- Haruhiko Koyama
- H01 - BASIC ELECTRIC ELEMENTS

Haruhiko Koyama

Person

Patents Grantslast 30 patents

Gas circuit breaker

Inrush-current suppressing device and inrush-current suppressing me...

Phase-control switching apparatus and switching control method for...

Phase control switching device

Switchgear control apparatus

Power switching apparatus and method of controlling the same

Power switching control apparatus

Switchgear control apparatus

Patents Applicationslast 30 patents

GAS CIRCUIT BREAKER

INRUSH-CURRENT SUPPRESSING DEVICE AND INRUSH-CURRENT SUPPRESSING ME...

PHASE-CONTROL SWITCHING APPARATUS AND SWITCHING CONTROL METHOD FOR...

PHASE CONTROL SWITCHING DEVICE

Power switching apparatus and method of controlling the same

Switchgear Control Apparatus

Switchgear control apparatus

Power switching control apparatus