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Haruka Shimizu
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Kokubunji, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Semiconductor device and power conversion device
Patent number
10,229,974
Issue date
Mar 12, 2019
Hitachi, Ltd.
Mieko Matsumura
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Normally-off power JFET and manufacturing method thereof
Patent number
9,543,395
Issue date
Jan 10, 2017
Renesas Electronics Corporation
Koichi Arai
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Semiconductor device with counter doped layer
Patent number
9,406,743
Issue date
Aug 2, 2016
Renesas Electronics Corporation
Yasuaki Kagotoshi
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Electronic circuit device
Patent number
9,293,453
Issue date
Mar 22, 2016
Renesas Electronics Corporation
Haruka Shimizu
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Manufacturing method of semiconductor device and semiconductor device
Patent number
9,048,264
Issue date
Jun 2, 2015
Renesas Electronics Corporation
Yasuaki Kagotoshi
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Power JFET
Patent number
9,041,049
Issue date
May 26, 2015
Renesas Electronics Corporation
Koichi Arai
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Semiconductor device
Patent number
8,890,169
Issue date
Nov 18, 2014
Hitachi, Ltd.
Norifumi Kameshiro
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Electronic circuit device
Patent number
8,872,191
Issue date
Oct 28, 2014
Renesas Electronics Corporation
Haruka Shimizu
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Semiconductor device and manufacturing method of the same
Patent number
8,766,277
Issue date
Jul 1, 2014
Renesas Electronics Corporation
Haruka Shimizu
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Semiconductor device with large blocking voltage and manufacturing...
Patent number
8,564,060
Issue date
Oct 22, 2013
Hitachi, Ltd.
Haruka Shimizu
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Normally-off power JFET and manufacturing method thereof
Patent number
8,524,552
Issue date
Sep 3, 2013
Renesas Electronics Corporation
Koichi Arai
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Semiconductor device including normally-off type junction transisto...
Patent number
8,436,397
Issue date
May 7, 2013
Renesas Electronics Corporation
Haruka Shimizu
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Electronic circuit device
Patent number
8,390,001
Issue date
Mar 5, 2013
Renesas Electronics Corporation
Haruka Shimizu
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Semiconductor device with large blocking voltage
Patent number
8,049,223
Issue date
Nov 1, 2011
Renesas Electronics Corporation
Haruka Shimizu
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Circuit arrangement having a free-wheel diode
Patent number
7,880,174
Issue date
Feb 1, 2011
Hitachi, Ltd.
Haruka Shimizu
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Semiconductor device with large blocking voltage and method of manu...
Patent number
7,772,613
Issue date
Aug 10, 2010
Renesas Technology Corp.
Haruka Shimizu
H01 - BASIC ELECTRIC ELEMENTS
Patents Applications
last 30 patents
Information
Patent Application
SEMICONDUCTOR DEVICE AND POWER CONVERSION DEVICE
Publication number
20240290829
Publication date
Aug 29, 2024
HITACHI POWER SEMICONDUCTOR DEVICE, LTD.
Haruka SHIMIZU
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
SILICON CARBIDE SEMICONDUCTOR DEVICE
Publication number
20240162297
Publication date
May 16, 2024
Hitachi, Ltd
Takeru SUTO
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
SEMICONDUCTOR DEVICE AND METHOD FOR MANUFACTURING THE SAME
Publication number
20230142877
Publication date
May 11, 2023
Hitachi, Ltd
Haruka SHIMIZU
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
SEMICONDUCTOR DEVICE AND POWER CONVERSION DEVICE
Publication number
20180090574
Publication date
Mar 29, 2018
Hitachi, Ltd
Mieko MATSUMURA
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
MANUFACTURING METHOD OF SEMICONDUCTOR DEVICE AND SEMICONDUCTOR DEVICE
Publication number
20150236089
Publication date
Aug 20, 2015
RENESAS ELECTRONICS CORPORATION
Yasuaki KAGOTOSHI
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
NORMALLY-OFF POWER JFET AND MANUFACTURING METHOD THEREOF
Publication number
20150060887
Publication date
Mar 5, 2015
Renesas Electronics Corporation
Koichi Arai
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
ELECTRONIC CIRCUIT DEVICE
Publication number
20150041829
Publication date
Feb 12, 2015
RENESAS ELECTRONICS CORPORATION
Haruka SHIMIZU
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
MANUFACTURING METHOD OF SEMICONDUCTOR DEVICE AND SEMICONDUCTOR DEVICE
Publication number
20140284625
Publication date
Sep 25, 2014
RENESAS ELECTRONICS CORPORATION
Yasuaki KAGOTOSHI
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
NORMALLY-OFF POWER JFET AND MANUFACTURING METHOD THEREOF
Publication number
20130334542
Publication date
Dec 19, 2013
RENESAS ELECTRONICS CORPORATION
Koichi Arai
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
SEMICONDUCTOR DEVICE
Publication number
20130285071
Publication date
Oct 31, 2013
Norifumi Kameshiro
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
ELECTRONIC CIRCUIT DEVICE
Publication number
20130056754
Publication date
Mar 7, 2013
Haruka SHIMIZU
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
NORMALLY-OFF POWER JFET AND MANUFACTURING METHOD THEREOF
Publication number
20120193641
Publication date
Aug 2, 2012
Renesas Electronics Corporation
Koichi Arai
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
ELECTRONIC CIRCUIT DEVICE
Publication number
20110220916
Publication date
Sep 15, 2011
RENESAS ELECTRONICS CORPORATION
Haruka SHIMIZU
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
SEMICONDUCTOR DEVICE AND MANUFACTURING METHOD OF THE SAME
Publication number
20110198613
Publication date
Aug 18, 2011
RENESAS ELECTRONICS CORPORATION
Haruka SHIMIZU
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
SEMICONDUCTOR DEVICE WITH LARGE BLOCKING VOLTAGE AND MANUFACTURING...
Publication number
20110018004
Publication date
Jan 27, 2011
Hitachi, Ltd.
Haruka SHIMIZU
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
SEMICONDUCTOR DEVICE AND METHOD OF MANUFACTURING THE SAME
Publication number
20100163935
Publication date
Jul 1, 2010
RENESAS TECHNOLOGY CORP.
Haruka SHIMIZU
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
SEMICONDUCTOR DEVICE WITH LARGE BLOCKING VOLTAGE AND METHOD OF MANU...
Publication number
20100025739
Publication date
Feb 4, 2010
Renesas Technology Corp.
Haruka SHIMIZU
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
CIRCUIT DEVICE HAVING A FREE WHEELING DIODE, CIRCUIT DEVICE AND POW...
Publication number
20090168471
Publication date
Jul 2, 2009
Dai Tsugawa
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Application
SEMICONDUCTOR DEVICE WITH LARGE BLOCKING VOLTAGE
Publication number
20090014719
Publication date
Jan 15, 2009
RENESAS TECHNOLOGY CORP.
Haruka Shimizu
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
CIRCUIT ARRANGEMENT HAVING A FREE-WHEEL DIODE
Publication number
20080258252
Publication date
Oct 23, 2008
Haruka Shimizu
H03 - BASIC ELECTRONIC CIRCUITRY