Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025
BT

Berkat S. Tung

Apple: 3 patents #877 of 5,196Top 20%
San Jose, CA: #1,016 of 6,693 inventorsTop 20%
California: #8,414 of 66,859 inventorsTop 15%
Overall (2021): #89,494 of 548,734Top 20%
3 Patents 2021

Issued Patents 2021

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
11128610 Secure multiway calling Yan Yang, Jin Hyung Park, Joe S. Abuan, Sean P. Devlin, Vu H. Chiem +11 more 2021-09-21
10999767 Multi-device communication management Joe S. Abuan, Ian J. Baird, Xiaosong Zhou, Christopher M. Garrido, Dazhong Zhang +5 more 2021-05-04
10911992 Multi-device communication management Joe S. Abuan, Ian J. Baird, Xiaosong Zhou, Christopher M. Garrido, Dazhong Zhang +5 more 2021-02-02