YD

Yajun Dong

KO Kone: 1 patents #37 of 115Top 35%
KC Kone Elevators Co.: 1 patents #1 of 2Top 50%
Overall (2020): #219,072 of 565,922Top 40%
1
Patents 2020

Issued Patents 2020

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
10745248 Handrail belt tension device for escalator Lining LIU 2020-08-18