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

Robert S. Mao — 7 Patents

ETEtron Technology: 4 patents #30 of 145Top 25%
IBM: 2 patents #32,909 of 70,183Top 50%
ETElite Semiconductor Memory Technology: 1 patents #42 of 77Top 55%
Hopewell Junction, NY: #200 of 648 inventorsTop 35%
New York: #20,477 of 115,490 inventorsTop 20%
Overall (All Time): #680,018 of 4,157,543Top 20%
7 Patents All Time
Robert S. Mao has been granted 7 US patents while listed as an inventor at Etron Technology. The first was granted in 1985 and the most recent in July 2002. Robert S. Mao ranks #680,018 of 4,157,543 US inventors in our database (top 16.4%). Patent records list Robert S. Mao in Hopewell Junction, NY, US.

Issued Patents All Time

Showing 1–7 of 7 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
6421295 DRAM circuit and its sub-word line driver Chung-Zen Chen, Issac Chen 2002-07-16
5237537 Fast compare circuit particularly for memory with redundant addressing components 1993-08-17
5220273 Reference voltage circuit with positive temperature compensation 1993-06-15
5218237 Circuit forming output pulse a selected delay after initiating pulse 1993-06-08
5153467 Bootstrap circuit for word line driver in semiconductor memory 1992-10-06
5045723 Multiple input CMOS logic circuits 1991-09-03 $13,319,000
4493056 RAM Utilizing offset contact regions for increased storage capacitance 1985-01-08 $24,317,000