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Mikiya Doi
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Kyoto, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Semiconductor device and switching regulator using the device
Patent number
8,964,343
Issue date
Feb 24, 2015
Rohm Co., Ltd.
Kazuhiro Murakami
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Semiconductor device and switching regulator using the device
Patent number
8,582,259
Issue date
Nov 12, 2013
Rohm Co., Ltd.
Kazuhiro Murakami
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Semiconductor integrated circuit device
Patent number
7,782,585
Issue date
Aug 24, 2010
Rohm Co., Ltd.
Mikiya Doi
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Step-up/down regulator circuit and liquid crystal display device in...
Patent number
7,768,214
Issue date
Aug 3, 2010
Rohm Co., Ltd.
Mikiya Doi
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
DC/DC converter
Patent number
7,378,825
Issue date
May 27, 2008
Rohm Co., Ltd.
Kenichi Nakata
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
DC/DC converter
Patent number
7,215,104
Issue date
May 8, 2007
Rohm Co., Ltd.
Kenichi Nakata
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Semiconductor integrated circuit device
Patent number
7,123,045
Issue date
Oct 17, 2006
Rohm Co., Ltd.
Mikiya Doi
H03 - BASIC ELECTRONIC CIRCUITRY
Patents Applications
last 30 patents
Information
Patent Application
SEMICONDUCTOR DEVICE AND SWITCHING REGULATOR USING THE DEVICE
Publication number
20140036556
Publication date
Feb 6, 2014
Rohm Co., Ltd.
Kazuhiro Murakami
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Application
SEMICONDUCTOR DEVICE AND SWITCHING REGULATOR USING THE DEVICE
Publication number
20110133711
Publication date
Jun 9, 2011
Rohm Co., Ltd.
Kazuhiro Murakami
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Application
Semiconductor Integrated Circuit Device
Publication number
20090027820
Publication date
Jan 29, 2009
Rohm Co., Ltd.
Mikiya Doi
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Step-Up/Down Regulator Circuit and Liquid Crystal Display Device In...
Publication number
20090009104
Publication date
Jan 8, 2009
Rohm Co., Ltd.
Mikiya Doi
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Application
DC/DC CONVERTER
Publication number
20080246454
Publication date
Oct 9, 2008
ROHM CO., LTD.
Kenichi Nakata
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Application
DC/DC converter
Publication number
20070182393
Publication date
Aug 9, 2007
ROHM CO., LTD.
Kenichi Nakata
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Application
Method of supplying power to scan line driving circuit, and power s...
Publication number
20060071896
Publication date
Apr 6, 2006
Kenichi Nakata
G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information
Patent Application
Semiconductor integrated circuit device
Publication number
20050052800
Publication date
Mar 10, 2005
ROHM CO., LTD.
Mikiya Doi
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Application
DC/DC converter
Publication number
20040257057
Publication date
Dec 23, 2004
ROHM CO., LTD.
Kenichi Nakata
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Application
Gamma correction voltage generation device, and gamma correction de...
Publication number
20040090409
Publication date
May 13, 2004
ROHM CO., LTD.
Kenichi Nakata
G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS