Jui-Chieh CHENG

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Chiayi County, TW

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Patents Applicationslast 30 patents

Information Patent Application
ELECTRONIC LOCK
- Publication number 20230284357
- Publication date Sep 7, 2023
- TONG LUNG METAL INDUSTRY CO., LTD.
- Pai-Hsiang CHUANG
- G07 - CHECKING-DEVICES
Information Patent Application
ELECTRONIC LOCK
- Publication number 20230230740
- Publication date Jul 20, 2023
- TONG LUNG METAL INDUSTRY CO., LTD.
- Chun-Yi FANG
- G06 - COMPUTING CALCULATING COUNTING