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Kyoto, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Non-isolated DC/DC converter
Patent number
10,230,301
Issue date
Mar 12, 2019
Rohm Co. Ltd.
Manabu Oyama
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Discharge circuit and power supply device therewith
Patent number
9,780,594
Issue date
Oct 3, 2017
Rohm Co., Ltd.
Yoshinori Sato
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Switching converter and control circuit thereof, current sensing me...
Patent number
9,735,689
Issue date
Aug 15, 2017
Rohm Co., Ltd.
Manabu Oyama
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Control circuit for switching regulator, switching regulator and el...
Patent number
8,779,738
Issue date
Jul 15, 2014
Rohm Co., Ltd.
Manabu Oyama
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Comparator, control circuit of switching regulator using the same,...
Patent number
8,766,616
Issue date
Jul 1, 2014
Rohm Co., Ltd.
Manabu Oyama
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Constant voltage circuit
Patent number
8,519,782
Issue date
Aug 27, 2013
Rohm Co., Ltd.
Manabu Oyama
G05 - CONTROLLING REGULATING
Information
Patent Grant
Control circuit and method for charge pump circuit with pulse modul...
Patent number
8,040,701
Issue date
Oct 18, 2011
Rohm Co., Ltd.
Manabu Oyama
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Switching power supply and electronic apparatus employing the same
Patent number
7,851,946
Issue date
Dec 14, 2010
Rohm Co., Ltd.
Manabu Oyama
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Control circuit and control method for charge pump circuit
Patent number
7,847,621
Issue date
Dec 7, 2010
Rohm Co., Ltd.
Manabu Oyama
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Control circuit for switching regulator
Patent number
7,830,131
Issue date
Nov 9, 2010
Rohm Co., Ltd.
Daisuke Uchimoto
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Control circuit and control method for charge pump circuit
Patent number
7,737,767
Issue date
Jun 15, 2010
Rohm Co., Ltd.
Manabu Oyama
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Charge-pump type switching power supply apparatus
Patent number
7,511,977
Issue date
Mar 31, 2009
Rohm Co., Ltd.
Manabu Oyama
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Triangular wave generation circuit
Patent number
7,403,049
Issue date
Jul 22, 2008
Rohm Co., Ltd.
Daisuke Uchimoto
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Switching power supply apparatus provided with series-connected cha...
Patent number
7,394,673
Issue date
Jul 1, 2008
Rohm Co., Ltd.
Manabu Oyama
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Patents Applications
last 30 patents
Information
Patent Application
ELECTRONIC COMPONENT REEL SET, ELECTRONIC COMPONENT MODULE, AND ELE...
Publication number
20220322589
Publication date
Oct 6, 2022
Manabu OYAMA
B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information
Patent Application
NON-ISOLATED DC/DC CONVERTER
Publication number
20180166989
Publication date
Jun 14, 2018
ROHM CO., LTD.
Manabu OYAMA
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Application
ISOLATED DC/DC CONVERTER, POWER SUPPLY, POWER SUPPLY ADAPTOR, ELECT...
Publication number
20160181935
Publication date
Jun 23, 2016
Rohm Co., Ltd.
Hiroki KIKUCHI
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Application
ISOLATED DC/DC CONVERTER, POWER SUPPLY DEVICE, POWER SUPPLY ADAPTOR...
Publication number
20160181932
Publication date
Jun 23, 2016
Rohm Co., Ltd.
Hiroki KIKUCHI
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Application
SWITCHING CONVERTER AND CONTROL CIRCUIT THEREOF, CURRENT SENSING ME...
Publication number
20160111963
Publication date
Apr 21, 2016
Rohm Co., Ltd.
MANABU OYAMA
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Application
DISCHARGE CIRCUIT AND POWER SUPPLY DEVICE THEREWITH
Publication number
20150263542
Publication date
Sep 17, 2015
Rohm Co., Ltd.
Yoshinori Sato
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Application
CONSTANT VOLTAGE CIRCUIT
Publication number
20130314127
Publication date
Nov 28, 2013
Rohm Co., Ltd.
Manabu OYAMA
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Application
CONTROL CIRCUIT FOR SWITCHING REGULATOR, SWITCHING REGULATOR AND EL...
Publication number
20120146605
Publication date
Jun 14, 2012
Rohm Co., Ltd.
MANABU OYAMA
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Application
COMPARATOR, CONTROL CIRCUIT OF SWITCHING REGULATOR USING THE SAME,...
Publication number
20120146599
Publication date
Jun 14, 2012
Rohm Co., Ltd.
MANABU OYAMA
Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information
Patent Application
CONSTANT VOLTAGE CIRCUIT
Publication number
20110234260
Publication date
Sep 29, 2011
Rohm Co., Ltd.
Manabu OYAMA
G05 - CONTROLLING REGULATING
Information
Patent Application
CONTROL CIRCUIT AND CONTROL METHOD FOR SWITCHING REGULATOR
Publication number
20100164456
Publication date
Jul 1, 2010
Rohm Co., Ltd.
Manabu OYAMA
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Application
CONTROL CIRCUIT AND CONTROL METHOD FOR CHARGE PUMP CIRCUIT
Publication number
20090121782
Publication date
May 14, 2009
Rohm Co., Ltd.
Manabu Oyama
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Application
CONTROL CIRCUIT AND CONTROL METHOD FOR CHARGE PUMP CIRCUIT
Publication number
20090121781
Publication date
May 14, 2009
Rohm Co., Ltd.
Manabu OYAMA
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Application
CHARGE PUMP CIRCUIT, AND CONTROL CIRCUIT AND CONTROL METHOD THEREOF
Publication number
20090027022
Publication date
Jan 29, 2009
Rohm Co., Ltd.
Manabu Oyama
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Application
CONTROL CIRCUIT FOR SWITCHING REGULATOR
Publication number
20080136389
Publication date
Jun 12, 2008
Rohm Co., Ltd.
Daisuke Uchimoto
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Application
Switching Power Supply Control Circuit, Switching Power Supply Devi...
Publication number
20080122291
Publication date
May 29, 2008
Rohm Co., Ltd.
Daisuke Uchimoto
Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information
Patent Application
Switching Power Supply And Electronic Apparatus Employing The Same
Publication number
20080088179
Publication date
Apr 17, 2008
Manabu Oyama
Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information
Patent Application
Charge-pump type switching power supply apparatus
Publication number
20070211503
Publication date
Sep 13, 2007
Manabu Oyama
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Application
Switching power supply apparatus provided with series-connected cha...
Publication number
20070091655
Publication date
Apr 26, 2007
Manabu Oyama
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Application
Triangular wave generation circuit
Publication number
20070057707
Publication date
Mar 15, 2007
Daisuke Uchimoto
H03 - BASIC ELECTRONIC CIRCUITRY