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Songan Andy Chang

ND Nook Digital: 4 patents #7 of 46Top 20%
📍 Mountain View, CA: #4,328 of 11,022 inventorsTop 40%
🗺 California: #124,610 of 386,348 inventorsTop 35%
Overall (All Time): #1,190,407 of 4,157,543Top 30%
4
Patents All Time

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
10152175 Selective touch scan area and reporting techniques 2018-12-11
9836154 Selective touch scan area and reporting techniques 2017-12-05
9250681 Infrared reflection based cover detection 2016-02-02
9134849 Pen interface for a touch screen device Charles F. Neugebauer 2015-09-15