JC

Jui-Cheng Chang

📍 Keelung, TW: #24 of 52 inventorsTop 50%
Overall (2025): #330,141 of 469,880Top 75%
1
Patents 2025

Issued Patents 2025

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
12410793 Pump with variable suction/discharge amount and drive device composed of the pump and driving method thereof 2025-09-09