Yongchang YU

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Shanghai, CN

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Patents Grantslast 30 patents

Information Patent Grant
Operational amplifier and start-up circuit of operational amplifier
- Patent number 12,212,283
- Issue date Jan 28, 2025
- Huawei Technologies Co., Ltd.
- Yongchang Yu
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Switch, antenna tuner, and radio frequency apparatus
- Patent number 9,899,988
- Issue date Feb 20, 2018
- Huawei Technologies Co., Ltd.
- Yongchang Yu
- H03 - BASIC ELECTRONIC CIRCUITRY

Patents Applicationslast 30 patents

Information Patent Application
Multi-Band Low Noise Amplifier, Phased Array, and Electronic Device
- Publication number 20240396504
- Publication date Nov 28, 2024
- Huawei Technologies Co., Ltd
- Keji Cui
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Phased Array and Electronic Device
- Publication number 20230344125
- Publication date Oct 26, 2023
- Huawei Technologies Co., Ltd
- Keji Cui
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
MULTI-BAND PHASED ARRAY AND ELECTRONIC DEVICE
- Publication number 20230238701
- Publication date Jul 27, 2023
- Huawei Technologies Co., Ltd
- Keji CUI
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
OPERATIONAL AMPLIFIER, CHIP, AND ELECTRONIC DEVICE
- Publication number 20220294403
- Publication date Sep 15, 2022
- Huawei Technologies Co., Ltd
- Yongchang YU
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
OPERATIONAL AMPLIFIER AND START-UP CIRCUIT OF OPERATIONAL AMPLIFIER
- Publication number 20220263470
- Publication date Aug 18, 2022
- Huawei Technologies Co., Ltd
- Yongchang YU
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
SWITCH, ANTENNA TUNER, AND RADIO FREQUENCY APPARATUS
- Publication number 20150326207
- Publication date Nov 12, 2015
- Huawei Technologies Co., Ltd
- Yongchang YU
- H04 - ELECTRIC COMMUNICATION TECHNIQUE