Han-Sheng CHANG

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New Taipei City, TW

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Patents Grantslast 30 patents

Information Patent Grant
Gripping device having opened and closed gripping modes
- Patent number 9,844,885
- Issue date Dec 19, 2017
- Tamkang University
- Ching-Chang Wong
- B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS

Patents Applicationslast 30 patents

Information Patent Application
CALIBRATION SYSTEM, CALIBRATION METHOD, AND CALIBRATION DEVICE
- Publication number 20220097203
- Publication date Mar 31, 2022
- SHENZHENSHI YUZHAN PRECISION TECHNOLOGY CO., LTD.
- YUAN-KUN YANG
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Application
POLISHING MECHANISM, POLISHING DEVICE, AND POLISHING METHOD
- Publication number 20220097204
- Publication date Mar 31, 2022
- SHENZHENSHI YUZHAN PRECISION TECHNOLOGY CO., LTD.
- YUAN-KUN YANG
- B24 - GRINDING POLISHING
Information Patent Application
GRIPPING DEVICE HAVING OPENED AND CLOSED GRIPPING MODES
- Publication number 20170151679
- Publication date Jun 1, 2017
- TAMKANG UNIVERSITY
- Ching-Chang WONG
- B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS