PH

Pi-Jen Hsieh

UN Unknown: 3 patents #39 of 3,065Top 2%
Overall (2023): #64,924 of 537,848Top 15%
3
Patents 2023

Issued Patents 2023

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
11686372 Modularized coaxial gear set reduction mechanism Li Yao, Norman Lien, Pei-Sheng Hsieh, Chi-Chen Tien 2023-06-27
11578785 Short-axle-distance large-speed-ratio gear set structure Li Yao, Norman Lien, Pei-Sheng Hsieh, Chi-Chen Tien 2023-02-14
11572932 Coupling structure and modularized coaxial gear train reduction mechanism using same Li Yao, Norman Lien, Pei-Sheng Hsieh, Chi-Chen Tien 2023-02-07