Haiqing LIN

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Beijing, CN

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Patents Grantslast 30 patents

Information Patent Grant
Self-locking plug
- Patent number 11,349,258
- Issue date May 31, 2022
- BEIJING TOP ELECTRIC CO., LTD.
- Haiqing Lin
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Audio processing device and method and electro-acoustic converting...
- Patent number 9,792,917
- Issue date Oct 17, 2017
- KT MICRO, INC.
- Dianyu Chen
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
PDU POWER ACQUISITION APPARATUS
- Publication number 20240195104
- Publication date Jun 13, 2024
- Beijing TOP Intelligent Co., Ltd.
- Haiqing LIN
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
PDU POWER DISTRIBUTION APPARATUS
- Publication number 20240186737
- Publication date Jun 6, 2024
- Beijing TOP Intelligent Co., Ltd.
- Haiqing LIN
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
SELF-LOCKING PLUG
- Publication number 20200335910
- Publication date Oct 22, 2020
- BEIJING TOP ELECTRIC CO., LTD.
- Haiqing LIN
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
AUDIO PROCESSING DEVICE AND METHOD AND ELECTRO-ACOUSTIC CONVERTING...
- Publication number 20160086610
- Publication date Mar 24, 2016
- KT MICRO, INC.
- Dianyu CHEN
- G10 - MUSICAL INSTRUMENTS ACOUSTICS