CY

Cui Yang

Overall (2019): #501,386 of 560,194Top 90%
1
Patents 2019

Issued Patents 2019

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
10354625 Digital sight-singing piano with a fixed-solfège keyboard, continuous keys and adjustable tones by kneading piano keys Gang Wei, Yan Cao, Yige Wang 2019-07-16