Mitsunao Fujimoto

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Tokyo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Direct-current voltage conversion circuit and switching power-suppl...
- Patent number 11,811,299
- Issue date Nov 7, 2023
- Alps Alpine Co., Ltd.
- Mitsunao Fujimoto
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
DC voltage conversion circuit and power supply device
- Patent number 11,581,818
- Issue date Feb 14, 2023
- Alps Alpine Co., Ltd.
- Mitsunao Fujimoto
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
DC voltage conversion circuit and power supply device
- Patent number 11,381,174
- Issue date Jul 5, 2022
- Alps Alpine Co., Ltd.
- Mitsunao Fujimoto
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Composite smoothing inductor and smoothing circuit
- Patent number 10,347,410
- Issue date Jul 9, 2019
- Alps Alpine Co., Ltd.
- Mitsunao Fujimoto
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Inductor
- Patent number D796438
- Issue date Sep 5, 2017
- Alps Electric Co., Ltd.
- Kiyoomi Kakuda
- D13 - Equipment for production, distribution, or transformation of energy

Patents Applicationslast 30 patents

Information Patent Application
DC VOLTAGE CONVERSION CIRCUIT AND POWER SUPPLY DEVICE
- Publication number 20220321015
- Publication date Oct 6, 2022
- ALPS ALPINE CO., LTD.
- Mitsunao Fujimoto
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
DIRECT-CURRENT VOLTAGE CONVERSION CIRCUIT AND SWITCHING POWER-SUPPL...
- Publication number 20210384836
- Publication date Dec 9, 2021
- ALPS ALPINE CO., LTD.
- Mitsunao Fujimoto
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
DC VOLTAGE CONVERSION CIRCUIT AND POWER SUPPLY DEVICE
- Publication number 20200412261
- Publication date Dec 31, 2020
- ALPS ALPINE CO., LTD.
- Mitsunao Fujimoto
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
COMPOSITE SMOOTHING INDUCTOR AND SMOOTHING CIRCUIT
- Publication number 20190108939
- Publication date Apr 11, 2019
- Alps Electric Co., Ltd.
- Mitsunao Fujimoto
- H01 - BASIC ELECTRIC ELEMENTS