CR

Chang Rui Ren

IBM: 2 patents #2,870 of 10,295Top 30%
Overall (2016): #152,487 of 481,213Top 35%
2
Patents 2016

Issued Patents 2016

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
9321291 Determining survival state of print head Xuan Chen, Fei Liu, Qin Wang 2016-04-26
9227448 Determining survival state of print head Xuan Chen, Fei Liu, Qin Wang 2016-01-05