Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
ZT

Zhenping Tan — 4 Patents

ASAmtech Systems: 2 patents #23 of 36Top 65%
TLTc License: 1 patents #10 of 28Top 40%
TRTranswitch: 1 patents #55 of 99Top 60%
San Jose, CA: #12,472 of 32,062 inventorsTop 40%
California: #126,026 of 386,348 inventorsTop 35%
Overall (All Time): #1,080,739 of 4,157,543Top 30%
4 Patents All Time
Zhenping Tan has been granted 4 US patents while listed as an inventor at Amtech Systems. The first was granted in 2005 and the most recent in June 2017. Zhenping Tan ranks #1,080,739 of 4,157,543 US inventors in our database (top 26.0%). Patent records list Zhenping Tan in San Jose, CA, US.

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
RE46447 RFID mutual authentication verification session Kelly Gravelle, Dale L. Scott 2017-06-20
8154405 RFID mutual authentication verification session Kelly Gravelle, Dale L. Scott 2012-04-10 $1,094,000
7450010 RFID mutual authentication verification session Kelly Gravelle, Dale L. Scott 2008-11-11
6850526 Methods and apparatus for extending the transmission range of UTOPIA interfaces and UTOPIA packet interfaces Zheng Liu, Jian Liu, Ronald P. Novick 2005-02-01 $1,653,000