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

Zhongkai Chen — 2 Patents in 2021

Amazon: 1 patents #1,401 of 4,535Top 35%
XCXiamen Eco Lighting Co.: 1 patents #35 of 116Top 35%
Sammamish, WA: #133 of 634 inventorsTop 25%
Washington: #2,358 of 13,672 inventorsTop 20%
Overall (2021): #93,057 of 548,734Top 20%
2 Patents 2021

Issued Patents 2021

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
11170342 Item identification and guidance system and method John Lewis Colucci, Claudia Duenas Bayardi 2021-11-09 $302,348,000
11057971 Chip-on-board illuminating device Changhe Zhong, Digen Shen, Jingjing Su, Xiaoping Zhu 2021-07-06