Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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Chungnam Chan — 3 Patents

Amazon: 3 patents #5,214 of 19,158Top 30%
Westford, MA: #434 of 1,013 inventorsTop 45%
Massachusetts: #33,867 of 88,656 inventorsTop 40%
Overall (All Time): #1,328,092 of 4,157,543Top 35%
3 Patents All Time
Chungnam Chan has been granted 3 US patents while listed as an inventor at Amazon. The first was granted in 2022 and the most recent in August 2024. Chungnam Chan ranks #1,328,092 of 4,157,543 US inventors in our database (top 31.9%). Patent records list Chungnam Chan in Westford, MA, US.

Patents per Year

Patents granted per year, 2022 to 2024Bar chart with a peak of 1 patents in 2022.peak 12022: 1 patents20222023: 1 patents20232024: 1 patents2024

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
12068001 Acoustic event detection Harshavardhan Sundar, Sheetal Laad, Jialiang Bao, Ming Sun, Chao Wang +4 more 2024-08-20 $339,137,000
11783850 Acoustic event detection Harshavardhan Sundar, Sheetal Laad, Jialiang Bao, Ming Sun, Chao Wang +4 more 2023-10-10 $264,435,000
11335346 Natural language understanding processing Chengwei Su, Spyridon Matsoukas, Sankaranarayanan Ananthakrishnan, Shirin Saleem, Yugang Li +3 more 2022-05-17 $237,259,000