JR

JinKyu Ryu

OE Otis Elevator: 1 patents #50 of 167Top 30%
Overall (2017): #374,811 of 506,227Top 75%
1
Patents 2017

Issued Patents 2017

Patent #TitleCo-InventorsDate
9783392 Elevator door stopping device Jung Sam Kim, Jinkoo Lee, Hansoo Shim 2017-10-10