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

Duo Ding — 5 Patents

Oracle: 5 patents #2,558 of 14,854Top 20%
Austin, TX: #5,567 of 18,064 inventorsTop 35%
Texas: #28,633 of 125,132 inventorsTop 25%
Overall (All Time): #907,971 of 4,157,543Top 25%
5 Patents All Time
Duo Ding has been granted 5 US patents while listed as an inventor at Oracle. The first was granted in 2015 and the most recent in April 2020. Duo Ding ranks #907,971 of 4,157,543 US inventors in our database (top 21.8%). Patent records list Duo Ding in Austin, TX, US.

Patents per Year

Patents granted per year, 2015 to 2020Bar chart with a peak of 2 patents in 2016.peak 22015: 1 patents20152016: 2 patents20162019: 1 patents20192020: 1 patents2020

Issued Patents All Time

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
10635849 Automated custom circuit layout enhancement Tanushriya Singh, Akshay Sharma, Chen Dong 2020-04-28 $44,006,000
10339252 Automated custom circuit layout enhancement Tanushriya Singh, Akshay Sharma, Chen Dong 2019-07-02 $27,739,000
9390216 System and method for obstacle-avoiding signal bus routing Akshay Sharma, Huy Tran Ba Vo 2016-07-12 $31,486,000
9330224 Method and apparatus for dummy cell placement management Srinivas Sanivarapu, Lai-ching Lydia So, Joseph Curt Peters, Carl Alfred Shisler, Gary Lynn Fowler +4 more 2016-05-03 $36,297,000
9176732 Method and apparatus for minimum cost cycle removal from a directed graph Ashutosh Chakraborty, Wonjoon Choi, Rajendran Panda 2015-11-03 $44,200,000