HY

Haihua Yu

Ricoh Company: 1 patents #309 of 982Top 35%
Overall (2023): #428,449 of 537,848Top 80%
1
Patents 2023

Issued Patents 2023

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
11601426 Device authentication method, service access control method, device, and non-transitory computer-readable recording medium Xiaojing Fan, Wei Wang, Ke Liao, Liyan Liu 2023-03-07