Retsu SUGAWARA

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Chiyoda-ku, JP

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Patents Grantslast 30 patents

Information Patent Grant
Noise elimination device, antenna device, and noise elimination method
- Patent number 11,979,182
- Issue date May 7, 2024
- Mitsubishi Electric Corporation
- Retsu Sugawara
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Common mode choke coil
- Patent number 11,749,439
- Issue date Sep 5, 2023
- Mitsubishi Electric Corporation
- Retsu Sugawara
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
EMI reduction in PWM inverters using adaptive frequency modulated c...
- Patent number 11,258,357
- Issue date Feb 22, 2022
- Mitsubishi Electric Research Laboratories, Inc.
- Dehong Liu
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Power converter
- Patent number 10,804,814
- Issue date Oct 13, 2020
- Mitsubishi Electric Corporation
- Retsu Sugawara
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER

Patents Applicationslast 30 patents

Information Patent Application
Electromagnetic interference (EMI) mitigation in pulse width modula...
- Publication number 20250038695
- Publication date Jan 30, 2025
- Mitsubishi Electric Research Laboratories, Inc.
- Dehong Liu
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
NOISE ELIMINATION DEVICE, ANTENNA DEVICE, AND NOISE ELIMINATION METHOD
- Publication number 20230126042
- Publication date Apr 27, 2023
- Mitsubishi Electric Corporation
- Retsu SUGAWARA
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
EMI reduction in PWM inverters using adaptive frequency modulated c...
- Publication number 20220069701
- Publication date Mar 3, 2022
- Mitsubishi Electric Research Laboratories, Inc.
- Dehong Liu
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
COMMON MODE CHOKE COIL
- Publication number 20210327629
- Publication date Oct 21, 2021
- Mitsubishi Electric Corporation
- Retsu SUGAWARA
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
POWER CONVERTER
- Publication number 20200099314
- Publication date Mar 26, 2020
- MITSUBISHI ELECTRIC CORPORATION
- Retsu SUGAWARA
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER