Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025
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Chahn Chung

Ebay: 1 patents #109 of 456Top 25%
San Francisco, CA: #2,109 of 5,438 inventorsTop 40%
California: #23,431 of 60,411 inventorsTop 40%
Overall (2018): #462,972 of 503,207Top 95%
1 Patents 2018

Issued Patents 2018

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
9967629 User commentary systems and methods Michael George Lenahan, Amanda Johnson, Ben Mitchell, Linda Young 2018-05-08