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Chang-chun Kao
Taichung
TW
8 patents
5 Patents
US12617492
2026
Electronic Derailleur
TIEN HSIN INDUSTRIES CO., Ltd.
0 cites
US12617493
2026
Rear Derailleur with Damping Function
TIEN HSIN INDUSTRIES CO., Ltd.
0 cites
US12491965
2025
Hub Motor
TIEN HSIN INDUSTRIES CO., Ltd.
0 cites
US12445008
2025
Hub Motor
TIEN HSIN INDUSTRIES CO., Ltd.
0 cites
USD1077835
2025
Display Screen or Portion Thereof with Graphical User Interface
TIEN HSIN INDUSTRIES CO., Ltd.
0 cites