Yang Yunfeng

DI Disco: 1 patents #25 of 98Top 30%

Overall (2018): #186,482 of 503,207Top 40%

Patents 2018

Issued Patents 2018

Showing 1–1 of 1 patents

Patent #	Title	Co-Inventors	Date
9901961	Cleaning apparatus	Shojiro Yamada	2018-02-27