HC

Hisao Chang

AT AT&T: 1 patents #428 of 1,158Top 40%
Overall (2021): #435,200 of 548,734Top 80%
1
Patents 2021

Issued Patents 2021

Patent #TitleCo-InventorsDate
11191432 Wearable health monitoring system Lusheng Ji, Bernard S. Renger 2021-12-07