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Ching-san Chang
Taichung City
TW
4 patents
4 Patents
USD1118727
2026
Vertical-horizontal Tool Changer Mechanism
SANJET INTERNATIONAL CO., Ltd.
0 cites
US11819969
2023
Robotic Tool Changer for Machining Center
SANJET INTERNATIONAL CO., Ltd.
0 cites
US11583967
2023
Tool Holder Holding and Loosening Device of Chain-type Tool Magazine of Machine Tool
SANJET INTERNATIONAL CO., Ltd.
0 cites
US11548109
2023
Chain-type Tool Magazine
SANJET INTERNATIONAL CO., Ltd.
0 cites