Chih-Han WU

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Minxiong Township, TW

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Patents Grantslast 30 patents

Information Patent Grant
Electronic lock and input apparatus thereof
- Patent number 11,441,330
- Issue date Sep 13, 2022
- Tong Lung Metal Industry Co., Ltd.
- Ruei-Jie Jeng
- E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
Information Patent Grant
Electronic lock
- Patent number 11,145,149
- Issue date Oct 12, 2021
- TONG LUNG METAL INDUSTRY CO., LTD.
- Ruei-Jie Jeng
- G06 - COMPUTING CALCULATING COUNTING

Patents Applicationslast 30 patents

Information Patent Application
ELECTRONIC LOCK
- Publication number 20210056787
- Publication date Feb 25, 2021
- TONG LUNG METAL INDUSTRY CO., LTD.
- Ruei-Jie JENG
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
ELECTRONIC LOCK AND INPUT APPARATUS THEREOF
- Publication number 20200392757
- Publication date Dec 17, 2020
- TONG LUNG METAL INDUSTRY CO., LTD.
- Ruei-Jie JENG
- E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES