Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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Ronald A. Levac — 5 Patents

ASAdaptive Micro Systems: 4 patents #1 of 19Top 6%
Overall (All Time): #907,971 of 4,157,543Top 25%
5 Patents All Time
Ronald A. Levac has been granted 5 US patents while listed as an inventor at Adaptive Micro Systems. The first was granted in 1995 and the most recent in December 2019. Ronald A. Levac ranks #907,971 of 4,157,543 US inventors in our database (top 21.8%). Patent records list Ronald A. Levac in Hong Kong, WI, CN.

Patents per Year

Patents granted per year, 1995 to 2019Bar chart with a peak of 2 patents in 1995.peak 21995: 2 patents19951999: 1 patents19992000: 1 patents20002019: 1 patents2019

Issued Patents All Time

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
10497014 Retail store digital shelf for recommending products utilizing facial recognition in a peer to peer network Shylesh Karuvath, Hiok Hwee Bernard Tan 2019-12-03
6034970 Intelligent messaging system and method for providing and updating a message using a communication device, such as a large character display Stephen D. Bilgrien, Michael J. Peters, Robert K. Kuecherer 2000-03-07
5872926 Integrated message system Stephen D. Bilgrien, Michael J. Peters, Robert K. Kuecherer 1999-02-16
5451979 Display driver with duty cycle control 1995-09-19
D360847 Panel for an electronic display Christopher J. Salimes 1995-08-01