Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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Zhongkai Chen — 4 Patents

Amazon: 3 patents #5,214 of 19,158Top 30%
XCXiamen Eco Lighting Co.: 1 patents #120 of 215Top 60%
Sammamish, WA: #1,035 of 2,558 inventorsTop 45%
Washington: #23,275 of 76,902 inventorsTop 35%
Overall (All Time): #1,080,739 of 4,157,543Top 30%
4 Patents All Time
Zhongkai Chen has been granted 4 US patents while listed as an inventor at Amazon. The first was granted in 2021 and the most recent in January 2024. Zhongkai Chen ranks #1,080,739 of 4,157,543 US inventors in our database (top 26.0%). Patent records list Zhongkai Chen in Sammamish, WA, US.

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
11863007 Wheel-based charger for wireless smart controllers and carts Jinxue Zhou, John Lewis Colucci, Yiwen Luo 2024-01-02 $138,344,000
11507919 Smart container John Lewis Colucci, Gaurav Kumar, Jinxue Zhou, Travis Solin 2022-11-22 $199,036,000
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