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USPTO Patent Rankings Data through Sept 30, 2025
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Robert L. D. Zenner — 4 Patents in 2018

Amazon: 4 patents #249 of 3,429Top 8%
San Jose, CA: #604 of 5,991 inventorsTop 15%
California: #4,911 of 60,411 inventorsTop 9%
Overall (2018): #36,906 of 503,207Top 8%
4 Patents 2018

Issued Patents 2018

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
10129994 Water-tight electronic device display Firmansyah Kuncoko Sulem 2018-11-13
10011090 Planar pressing for manufacture of displays Chin Siong Khor, Anoop Menon 2018-07-03
9990064 Electronic device stack assembly Chin Siong Khor 2018-06-05
9983455 Electronic device stack assembly Siddharth Gupta, Jerry Chung, Hany Mounir Ghali, Juho Ilkka Jalava, Sherman Shwe Win Tan 2018-05-29