Linlin Zhang

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Weifang, Shandong, CN

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Patents Grantslast 30 patents

Information Patent Grant
Sound producing device and electronic product
- Patent number 11,962,962
- Issue date Apr 16, 2024
- GOERTEK INC.
- Xiaodong Cai
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL

Patents Applicationslast 30 patents

Information Patent Application
SOUND PRODUCTION DEVICE AND ELECTRONIC APPARATUS
- Publication number 20250184669
- Publication date Jun 5, 2025
- Goertek Inc.
- Xiaodong CAI
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
SOUND PRODUCING DEVICE AND ELECTRONIC PRODUCT
- Publication number 20220256266
- Publication date Aug 11, 2022
- Goertek Inc.
- Xiaodong Cai
- H04 - ELECTRIC COMMUNICATION TECHNIQUE