Longhao Cui

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Weifang City, Shandong, CN

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Patents Grantslast 30 patents

Information Patent Grant
Electrical-acoustic transformation device and electronic device
- Patent number 10,291,991
- Issue date May 14, 2019
- Goertek, Inc.
- Lianwen Shan
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Electrical-acoustic transformation device
- Patent number 10,225,664
- Issue date Mar 5, 2019
- Goertek, Inc.
- Lianwen Shan
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Electrical-acoustic transformation device
- Patent number 10,219,080
- Issue date Feb 26, 2019
- Goertek, Inc.
- Lianwen Shan
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
ELECTRICAL-ACOUSTIC TRANSFORMATION DEVICE AND ELECTRONIC DEVICE
- Publication number 20180054680
- Publication date Feb 22, 2018
- Goertek, Inc.
- Lianwen Shan
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
ELECTRICAL-ACOUSTIC TRANSFORMATION DEVICE
- Publication number 20180041844
- Publication date Feb 8, 2018
- Goertek, Inc.
- Lianwen Shan
- B06 - GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS IN GENERAL
Information Patent Application
ELECTRICAL-ACOUSTIC TRANSFORMATION DEVICE
- Publication number 20180035213
- Publication date Feb 1, 2018
- Goertek, Inc.
- Lianwen Shan
- H04 - ELECTRIC COMMUNICATION TECHNIQUE