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Hiroyuki Hama
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Chiyoda-ku, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Gas insulated electrical apparatus and method of manufacturing gas...
Patent number
10,256,611
Issue date
Apr 9, 2019
Mitsubishi Electric Corporation
Manabu Yoshimura
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Connector and semiconductor testing device including the connector
Patent number
8,905,788
Issue date
Dec 9, 2014
Molex Japan Co. Ltd.
Kyoko Oniyama
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Connector and semiconductor testing device including the connector
Patent number
8,860,454
Issue date
Oct 14, 2014
Advantest Corporation
Kyoko Oniyama
G01 - MEASURING TESTING
Information
Patent Grant
Connector and semiconductor test device
Patent number
8,657,625
Issue date
Feb 25, 2014
Molex Japan Co., Ltd.
Hirotaka Wagata
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Gas-insulated equipment
Patent number
7,848,084
Issue date
Dec 7, 2010
Mitsubishi Denki Kabushiki Kaisha
Hiroyuki Hama
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Gas-insulated equipment
Patent number
7,742,283
Issue date
Jun 22, 2010
Mitsubishi Denki Kabushiki Kaisha
Hiroyuki Hama
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Connector assembly, receptacle type connector, and interface apparatus
Patent number
7,690,944
Issue date
Apr 6, 2010
Advantest Corporation
Shigeru Matsumura
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Interface apparatus for electronic device test apparatus
Patent number
7,611,377
Issue date
Nov 3, 2009
Advantest Corporation
Shigeru Matsumura
G01 - MEASURING TESTING
Information
Patent Grant
System for mating and demating multiple connectors mounted on board...
Patent number
7,484,285
Issue date
Feb 3, 2009
Advantest Corp.
Masanori Kaneko
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Connector
Patent number
7,144,260
Issue date
Dec 5, 2006
Advantest Corporation
Shigeru Murayama
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Connector
Patent number
7,125,264
Issue date
Oct 24, 2006
Advantest Corporation
Shigeru Murayama
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Connector
Patent number
6,846,189
Issue date
Jan 25, 2005
Advantest Corporation
Shigeru Murayama
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Gas-insulated switchgear
Patent number
6,831,828
Issue date
Dec 14, 2004
TMT&D Corporation
Hirohide Aoki
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Transformer for gas insulated electric apparatus
Patent number
6,717,499
Issue date
Apr 6, 2004
Mitsubishi Denki Kabushiki Kaisha
Yasuhiro Maeda
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Three-phase current transformer
Patent number
6,680,665
Issue date
Jan 20, 2004
Mitsubishi Denki Kabushiki Kaisha
Hirohide Aoki
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Failure determining apparatus of gas-insulated electrical appliance
Patent number
6,661,234
Issue date
Dec 9, 2003
Mitsubishi Denki Kabushiki Kaisha
Kuniaki Nakashima
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Gas insulated switching device
Patent number
6,424,059
Issue date
Jul 23, 2002
Mitsubishi Denki Kabushiki Kaisha
Hirohide Aoki
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Semiconductor device testing apparatus and its calibration method
Patent number
6,417,682
Issue date
Jul 9, 2002
Advantest Corporation
Toshikazu Suzuki
G01 - MEASURING TESTING
Information
Patent Grant
Epoxy resin composition for SF6 gas insulating device and SF6 gas i...
Patent number
6,342,547
Issue date
Jan 29, 2002
Mitsubishi Denki Kabushiki Kaisha
Kenji Mimura
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
IC socket for holding IC having multiple parallel pins
Patent number
6,164,982
Issue date
Dec 26, 2000
Advantest Corporation
Hiroyuki Hama
G01 - MEASURING TESTING
Information
Patent Grant
Contact device
Patent number
5,869,796
Issue date
Feb 9, 1999
Mitsubishi Denki Kabushiki Kaisha
Setsuyuki Matsuda
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Semiconductor test system having test head connection apparatus
Patent number
5,818,219
Issue date
Oct 6, 1998
Advantest Corp.
Hiroyuki Hama
G01 - MEASURING TESTING
Information
Patent Grant
Contact mechanism for test head of semiconductor test system
Patent number
5,754,057
Issue date
May 19, 1998
Advantest Corp.
Hiroyuki Hama
G01 - MEASURING TESTING
Information
Patent Grant
Insulating spacer with shield electrodes having a graded resistance
Patent number
5,723,813
Issue date
Mar 3, 1998
Mitsubishi Denki Kabushiki Kaisha
Hiromi Ito
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Bus bar connector
Patent number
4,846,695
Issue date
Jul 11, 1989
Mitsubishi Denki Kabushiki Kaisha
Osamu Iwabuchi
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Gas insulated electrical apparatus
Patent number
4,786,761
Issue date
Nov 22, 1988
Mitsubishi Denki Kabushiki Kaisha
Hiroyuki Hama
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Three-phase-enclosure type gas insulated switchgear
Patent number
4,779,197
Issue date
Oct 18, 1988
Mitsubishi Denki Kabushiki Kaisha
Hiroyuki Hama
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Gas insulated electrical apparatus with particle traps
Patent number
4,730,085
Issue date
Mar 8, 1988
Mitsubishi Denki Kabushiki Kaisha
Hiroyuki Hama
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Patents Applications
last 30 patents
Information
Patent Application
GAS INSULATED ELECTRICAL APPARATUS AND METHOD OF MANUFACTURING GAS...
Publication number
20170194773
Publication date
Jul 6, 2017
MITSUBISHI ELECTRIC CORPORATION
Manabu YOSHIMURA
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Application
CONNECTOR AND SEMICONDUCTOR TEST DEVICE
Publication number
20130189866
Publication date
Jul 25, 2013
Advantest Corporation
Hirotaka Wagata
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
CONNECTOR AND SEMICONDUCTOR TESTING DEVICE INCLUDING THE CONNECTOR
Publication number
20120126845
Publication date
May 24, 2012
Molex japan co., ltd.
Kyoko Oniyama
G01 - MEASURING TESTING
Information
Patent Application
CONNECTOR AND SEMICONDUCTOR TESTING DEVICE INCLUDING THE CONNECTOR
Publication number
20120088410
Publication date
Apr 12, 2012
Advantest Corporation
Kyoko Oniyama
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
GAS-INSULATED EQUIPMENT
Publication number
20100165549
Publication date
Jul 1, 2010
Mitsubishi Denki Kabushiki Kaisha
Hiroyuki Hama
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
CALIBRATION BOARD FOR ELECTRONIC DEVICE TEST APPARATUS
Publication number
20090128172
Publication date
May 21, 2009
Advantest Corporation
Shintaro Takaki
G01 - MEASURING TESTING
Information
Patent Application
Connector assembly, receptacle type connector, and interface apparatus
Publication number
20080076298
Publication date
Mar 27, 2008
Shigeru Matsumura
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Interface apparatus for electronic device test apparatus
Publication number
20080076297
Publication date
Mar 27, 2008
Advantest Corporation
Shigeru Matsumura
G01 - MEASURING TESTING
Information
Patent Application
Socket for inspection apparatus
Publication number
20070007984
Publication date
Jan 11, 2007
Molex Japan Co., Ltd.
Yutaka Kojima
G01 - MEASURING TESTING
Information
Patent Application
Connector
Publication number
20070004254
Publication date
Jan 4, 2007
Advantest Corporation
Shigeru Murayama
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Gas-insulated equipment
Publication number
20060254791
Publication date
Nov 16, 2006
Mitsubishi Denki Kabushiki Kaisha
Hiroyuki Hama
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
CONNECTOR
Publication number
20060057874
Publication date
Mar 16, 2006
Advantest Corporation
Shigeru Murayama
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Device interface apparatus
Publication number
20050159050
Publication date
Jul 21, 2005
Hiroyuki Hama
G01 - MEASURING TESTING
Information
Patent Application
Connector connecting /disconnecting tool
Publication number
20050081372
Publication date
Apr 21, 2005
Masanori Kaneko
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Connector
Publication number
20050054224
Publication date
Mar 10, 2005
Advantest Corporation
Shigeru Murayama
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
CONNECTOR
Publication number
20040242035
Publication date
Dec 2, 2004
Shigeru Murayama
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Gas-insulated switchgear
Publication number
20040095711
Publication date
May 20, 2004
TMT&D CORPORATION
Hirohide Aoki
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Transformer for gas insulated electric apparatus
Publication number
20030128089
Publication date
Jul 10, 2003
Mitsubishi Denki Kabushiki Kaisha
Yasuhiro Maeda
G01 - MEASURING TESTING
Information
Patent Application
Three-phase current transformer
Publication number
20020125978
Publication date
Sep 12, 2002
Mitsubishi Denki Kabushiki Kaisha
Hirohide Aoki
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Failure determining apparatus of gas-insulated electrical appliance
Publication number
20010017262
Publication date
Aug 30, 2001
Kuniaki Nakashima
G01 - MEASURING TESTING