NL

Norman Lien

UN Unknown: 7 patents #1,646 of 83,584Top 2%
Overall (All Time): #616,049 of 4,157,543Top 15%
8
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
12110078 Power switching structure Chi-Chen Tien, Pei-Sheng Hsieh 2024-10-08
11686372 Modularized coaxial gear set reduction mechanism Li Yao, Pei-Sheng Hsieh, Chi-Chen Tien, Pi-Jen Hsieh 2023-06-27
11614128 Clutch structure Li Yao, Pei-Sheng Hsieh, Chi-Chen Tien 2023-03-28
11578785 Short-axle-distance large-speed-ratio gear set structure Li Yao, Pei-Sheng Hsieh, Chi-Chen Tien, Pi-Jen Hsieh 2023-02-14
11572932 Coupling structure and modularized coaxial gear train reduction mechanism using same Li Yao, Pei-Sheng Hsieh, Chi-Chen Tien, Pi-Jen Hsieh 2023-02-07
11480233 Planetary speed-change mechanism Li Yao, Chi-Chen Tien, Pei-Sheng Hsieh 2022-10-25
11300183 Structure of speed changer Li Yao, Chi-Chen Tien, Pei-Sheng Hsieh 2022-04-12
8443953 Clutch with high binding ability Jui-Ming Fang 2013-05-21