Maomi KATSUMATA

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Shinagawa Tokyo, JP

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Patents Grantslast 30 patents

Information Patent Grant
High-frequency semiconductor amplifier
- Patent number 10,164,594
- Issue date Dec 25, 2018
- Kabushiki Kaisha Toshiba
- Maomi Katsumata
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Voltage switching circuit and power supply device with regulator
- Patent number 9,921,599
- Issue date Mar 20, 2018
- Kabushiki Kaisha Toshiba
- Maomi Katsumata
- G05 - CONTROLLING REGULATING
Information Patent Grant
Power supply apparatus and control method thereof
- Patent number 9,762,225
- Issue date Sep 12, 2017
- Kabushiki Kaisha Toshiba
- Maomi Katsumata
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Voltage conversion circuit and switching control circuit
- Patent number 9,350,233
- Issue date May 24, 2016
- Kabushiki Kaisha Toshiba
- Maomi Katsumata
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Overcurrent protection circuit and power supply device
- Patent number 9,042,070
- Issue date May 26, 2015
- Kabushiki Kaisha Toshiba
- Maomi Katsumata
- G05 - CONTROLLING REGULATING

Patents Applicationslast 30 patents

Information Patent Application
SEMICONDUCTOR DEVICE
- Publication number 20220294399
- Publication date Sep 15, 2022
- Kabushiki Kaisha Toshiba
- Yoshiharu NITO
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
HIGH-FREQUENCY SEMICONDUCTOR AMPLIFIER
- Publication number 20180248530
- Publication date Aug 30, 2018
- Kabushiki Kaisha Toshiba
- Maomi KATSUMATA
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
POWER SUPPLY APPARATUS AND CONTROL METHOD THEREOF
- Publication number 20170054440
- Publication date Feb 23, 2017
- Kabushiki Kaisha Toshiba
- Maomi KATSUMATA
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
VOLTAGE SWITCHING CIRCUIT AND POWER SUPPLY DEVICE
- Publication number 20160274615
- Publication date Sep 22, 2016
- Kabushiki Kaisha Toshiba
- Maomi KATSUMATA
- G05 - CONTROLLING REGULATING
Information Patent Application
VOLTAGE CONVERSION CIRCUIT AND SWITCHING CONTROL CIRCUIT
- Publication number 20140285171
- Publication date Sep 25, 2014
- Kabushiki Kaisha Toshiba
- Maomi KATSUMATA
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
OVERCURRENT PROTECTION CIRCUIT AND POWER SUPPLY DEVICE
- Publication number 20130258540
- Publication date Oct 3, 2013
- Kabushiki Kaisha Toshiba
- Maomi KATSUMATA
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER