Haihua Yu

Ricoh Company: 1 patents #807 of 1,821Top 45%

Overall (2018): #402,404 of 503,207Top 80%

Patents 2018

Issued Patents 2018

Showing 1–1 of 1 patents

Patent #	Title	Co-Inventors	Date
10123158	Method and device for recognizing user of mobile device	Ke Liao, Bin Da, Wei Wang, Xin Wang	2018-11-06