Masato Kobayashi

Person

Hitachi, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Electrode for vacuum circuit breaker, and vacuum interrupter using...
- Patent number 9,208,960
- Issue date Dec 8, 2015
- Hitachi, Ltd.
- Kunihiko Tomiyasu
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Interlock device of draw-out type circuit breaker, draw-out type ci...
- Patent number 8,796,570
- Issue date Aug 5, 2014
- Hitachi, Ltd.
- Masato Kobayashi
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Switchgear
- Patent number 8,576,545
- Issue date Nov 5, 2013
- Hitachi, Ltd.
- Keiichi Takahashi
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Electrical contact for vacuum valve
- Patent number 8,426,754
- Issue date Apr 23, 2013
- Hitachi, Ltd.
- Shigeru Kikuchi
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Vacuum insulated switchgear including a bus recovery member
- Patent number 8,379,373
- Issue date Feb 19, 2013
- Hitachi, Ltd.
- Shuichi Kikukawa
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Vacuum insulated switchgear
- Patent number 8,373,082
- Issue date Feb 12, 2013
- Hitachi, Ltd.
- Kenji Tsuchiya
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Vacuum insulated switchgear
- Patent number 8,304,679
- Issue date Nov 6, 2012
- Hitachi, Ltd.
- Kenji Tsuchiya
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Electrode for switch and vacuum switch, and method of manufacturing...
- Patent number 8,294,057
- Issue date Oct 23, 2012
- Hitachi, Ltd.
- Miki Yamazaki
- Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information Patent Grant
Vacuum switchgear
- Patent number 8,247,725
- Issue date Aug 21, 2012
- Hitachi, Ltd.
- Ayumu Morita
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Vacuum switch and vacuum switchgear
- Patent number 8,227,720
- Issue date Jul 24, 2012
- Hitachi, Ltd.
- Kenji Tsuchiya
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Vacuum switchgear
- Patent number 8,168,909
- Issue date May 1, 2012
- Hitachi, Ltd.
- Masato Kobayashi
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Vacuum insulated switch and vacuum insulated switchgear
- Patent number 8,049,130
- Issue date Nov 1, 2011
- Hitachi, Ltd.
- Masato Kobayashi
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Vacuum insulated switchgear
- Patent number 8,035,054
- Issue date Oct 11, 2011
- Hitachi, Ltd.
- Hiroyuki Ozawa
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Vacuum switchgear
- Patent number 7,902,479
- Issue date Mar 8, 2011
- Hitachi, Ltd.
- Kenji Tsuchiya
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Vacuum insulated switchgear
- Patent number 7,902,480
- Issue date Mar 8, 2011
- Hitachi, Ltd.
- Kenji Tsuchiya
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Vacuum insulated switchgear
- Patent number 7,790,998
- Issue date Sep 7, 2010
- Hitachi, Ltd.
- Kenji Tsuchiya
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Electrode, electrical contact and method of manufacturing the same
- Patent number 7,704,449
- Issue date Apr 27, 2010
- Hitachi, Ltd.
- Shigeru Kikuchi
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Switchgear
- Patent number 7,683,286
- Issue date Mar 23, 2010
- Hitachi, Ltd.
- Takashi Sato
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Switchgear
- Patent number 7,679,023
- Issue date Mar 16, 2010
- Hitachi, Ltd.
- Takashi Sato
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Electrical contacts for vacuum circuit breakers and methods of manu...
- Patent number 7,662,208
- Issue date Feb 16, 2010
- Hitachi, Ltd.
- Shigeru Kikuchi
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Vacuum switchgear system and kit for system
- Patent number 7,457,105
- Issue date Nov 25, 2008
- Hitachi, Ltd.
- Shuuichi Kikukawa
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Vacuum insulated switchgear
- Patent number 7,425,687
- Issue date Sep 16, 2008
- Hitachi, Ltd.
- Ayumu Morita
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Vacuum switchgear
- Patent number 7,244,903
- Issue date Jul 17, 2007
- Hitachi, Ltd.
- Tomoaki Utsumi
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Electric contacts and method of manufacturing thereof, and vacuum i...
- Patent number 7,230,304
- Issue date Jun 12, 2007
- Hitachi, Ltd.
- Shigeru Kikuchi
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Vacuum Switchgear
- Patent number 7,223,932
- Issue date May 29, 2007
- Hitachi, Ltd.
- Masato Kobayashi
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Vacuum switchgear
- Patent number 7,135,652
- Issue date Nov 14, 2006
- Hitachi, Ltd.
- Masato Kobayashi
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Vacuum switchgear
- Patent number 6,884,940
- Issue date Apr 26, 2005
- Hitachi, Ltd.
- Tomoaki Utsumi
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Electric contact member and production method thereof
- Patent number 6,765,167
- Issue date Jul 20, 2004
- Hitachi, Ltd.
- Shigeru Kikuchi
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Sintered body and electrode, method for surface densitication of th...
- Patent number 6,753,494
- Issue date Jun 22, 2004
- Hitachi, Ltd.
- Yohei Asakawa
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Vacuum circuit-breaker, vacuum bulb for use therein, and electrodes...
- Patent number 6,437,275
- Issue date Aug 20, 2002
- Hitachi, Ltd.
- Shigeru Kikuchi
- H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

Information Patent Application
ELECTRODE FOR VACUUM CIRCUIT BREAKER, AND VACUUM INTERRUPTER USING...
- Publication number 20140367362
- Publication date Dec 18, 2014
- Hitachi, Ltd
- Kunihiko TOMIYASU
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
INTERLOCK DEVICE OF DRAW-OUT TYPE CIRCUIT BREAKER, DRAW-OUT TYPE CI...
- Publication number 20120228096
- Publication date Sep 13, 2012
- Hitachi, Ltd.
- Masato KOBAYASHI
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
SWITCHGEAR
- Publication number 20120044616
- Publication date Feb 23, 2012
- Keiichi TAKAHASHI
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
Electrode for Switch and Vacuum Switch, and Method of Manufacturing...
- Publication number 20110073567
- Publication date Mar 31, 2011
- Hitachi, Ltd
- Miki YAMAZAKI
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
VACUUM INSULATED SWITCHGEAR
- Publication number 20110062117
- Publication date Mar 17, 2011
- Hitachi, Ltd
- Kenji Tsuchiya
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
RESIN-MOLDED VACUUM VALVE
- Publication number 20100314357
- Publication date Dec 16, 2010
- Hitachi, Ltd.
- Masato KOBAYASHI
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
VACUUM INSULATED SWITCHGEAR
- Publication number 20100195273
- Publication date Aug 5, 2010
- Hitachi, Ltd
- Shuichi KIKUKAWA
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
VACUUM INSULATED SWITCHGEAR
- Publication number 20100170874
- Publication date Jul 8, 2010
- Hitachi, Ltd
- Kenji Tsuchiya
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
ELECTRODE, ELECTRICAL CONTACT AND METHOD OF MANUFACTURING THE SAME
- Publication number 20100147112
- Publication date Jun 17, 2010
- Shigeru Kikuchi
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
VACUUM SWITCHGEAR
- Publication number 20100122967
- Publication date May 20, 2010
- Hitachi, Ltd
- Ayumu MORITA
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
SWITCHGEAR
- Publication number 20100089874
- Publication date Apr 15, 2010
- Hitachi, Ltd.
- Ayumu MORITA
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
VACUUM SWITCH AND VACUUM SWITCHGEAR
- Publication number 20100000973
- Publication date Jan 7, 2010
- Hitachi, Ltd.
- Kenji TSUCHIYA
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
ELECTRICAL CONTACT FOR VACUUM VALVE
- Publication number 20090184274
- Publication date Jul 23, 2009
- Shigeru Kikuchi
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
VACUUM SWITCHGEAR
- Publication number 20090173719
- Publication date Jul 9, 2009
- Masato Kobayashi
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
VACUUM INSULATED SWITCHGEAR
- Publication number 20090159568
- Publication date Jun 25, 2009
- Hiroyuki OZAWA
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
VACUUM INSULATED SWITCH AND VACUUM INSULATED SWITCHGEAR
- Publication number 20090032500
- Publication date Feb 5, 2009
- Masato Kobayashi
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
VACUUM INSULATED SWITCHGEAR
- Publication number 20080308531
- Publication date Dec 18, 2008
- Kenji Tsuchiya
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Vacuum insulated switchgear
- Publication number 20080308532
- Publication date Dec 18, 2008
- Hitachi, Ltd.
- Kenji Tsuchiya
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Electrode, electrical contact and method of manufacturing the same
- Publication number 20080274003
- Publication date Nov 6, 2008
- Shigeru Kikuchi
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
SWITCHGEAR
- Publication number 20080203062
- Publication date Aug 28, 2008
- Takashi Sato
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
SWITCHGEAR
- Publication number 20070262054
- Publication date Nov 15, 2007
- Takashi Sato
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
VACUUM SWITCHGEAR
- Publication number 20070228014
- Publication date Oct 4, 2007
- Kenji TSUCHIYA
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Electrical contacts for vacuum circuit breakers and methods of manu...
- Publication number 20070007249
- Publication date Jan 11, 2007
- Shigeru Kikuchi
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Vacuum insulated switchgear
- Publication number 20070000876
- Publication date Jan 4, 2007
- Ayumu Morita
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Vacuum Switchgear
- Publication number 20060237394
- Publication date Oct 26, 2006
- Hitachi, Ltd.
- Masato Kobayashi
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Electrode, electrical contact and method of manufacturing the same
- Publication number 20060102594
- Publication date May 18, 2006
- Shigeru Kikuchi
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Vacuum circuit breaker, vacuum interrupter, electric contact and me...
- Publication number 20060081560
- Publication date Apr 20, 2006
- Shigeru Kikuchi
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Vacuum insulated switchgear
- Publication number 20060037944
- Publication date Feb 23, 2006
- Ayumu Morita
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Electromagnetic operation device
- Publication number 20060028073
- Publication date Feb 9, 2006
- Tomohiro Sugino
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Vacuum switchgear
- Publication number 20050173143
- Publication date Aug 11, 2005
- Tomoaki Utsumi
- H01 - BASIC ELECTRIC ELEMENTS

Masato Kobayashi

Person

Patents Grantslast 30 patents

Electrode for vacuum circuit breaker, and vacuum interrupter using...

Interlock device of draw-out type circuit breaker, draw-out type ci...

Switchgear

Electrical contact for vacuum valve

Vacuum insulated switchgear including a bus recovery member

Vacuum insulated switchgear

Vacuum insulated switchgear

Electrode for switch and vacuum switch, and method of manufacturing...

Vacuum switchgear

Vacuum switch and vacuum switchgear

Vacuum switchgear

Vacuum insulated switch and vacuum insulated switchgear

Vacuum insulated switchgear

Vacuum switchgear

Vacuum insulated switchgear

Vacuum insulated switchgear

Electrode, electrical contact and method of manufacturing the same

Switchgear

Switchgear

Electrical contacts for vacuum circuit breakers and methods of manu...

Vacuum switchgear system and kit for system

Vacuum insulated switchgear

Vacuum switchgear

Electric contacts and method of manufacturing thereof, and vacuum i...

Vacuum Switchgear

Vacuum switchgear

Vacuum switchgear

Electric contact member and production method thereof

Sintered body and electrode, method for surface densitication of th...

Vacuum circuit-breaker, vacuum bulb for use therein, and electrodes...

Patents Applicationslast 30 patents

ELECTRODE FOR VACUUM CIRCUIT BREAKER, AND VACUUM INTERRUPTER USING...

INTERLOCK DEVICE OF DRAW-OUT TYPE CIRCUIT BREAKER, DRAW-OUT TYPE CI...

SWITCHGEAR

Electrode for Switch and Vacuum Switch, and Method of Manufacturing...

VACUUM INSULATED SWITCHGEAR

RESIN-MOLDED VACUUM VALVE

VACUUM INSULATED SWITCHGEAR

VACUUM INSULATED SWITCHGEAR

ELECTRODE, ELECTRICAL CONTACT AND METHOD OF MANUFACTURING THE SAME

VACUUM SWITCHGEAR

SWITCHGEAR

VACUUM SWITCH AND VACUUM SWITCHGEAR

ELECTRICAL CONTACT FOR VACUUM VALVE

VACUUM SWITCHGEAR

VACUUM INSULATED SWITCHGEAR

VACUUM INSULATED SWITCH AND VACUUM INSULATED SWITCHGEAR

VACUUM INSULATED SWITCHGEAR

Vacuum insulated switchgear

Electrode, electrical contact and method of manufacturing the same

SWITCHGEAR

SWITCHGEAR

VACUUM SWITCHGEAR

Electrical contacts for vacuum circuit breakers and methods of manu...

Vacuum insulated switchgear

Vacuum Switchgear

Electrode, electrical contact and method of manufacturing the same

Vacuum circuit breaker, vacuum interrupter, electric contact and me...

Vacuum insulated switchgear

Electromagnetic operation device

Vacuum switchgear