Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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Long Zhai — 3 Patents

UNUnknown: 2 patents #12,644 of 83,584Top 20%
CCCitic Dicastal Co.: 1 patents #218 of 382Top 60%
Longbeilingcun, CN: #1,478 of 5,734 inventorsTop 30%
Overall (All Time): #1,328,092 of 4,157,543Top 35%
3 Patents All Time
Long Zhai has been granted 3 US patents while listed as an inventor at Unknown. The first was granted in 2020 and the most recent in March 2025. Long Zhai ranks #1,328,092 of 4,157,543 US inventors in our database (top 31.9%). Patent records list Long Zhai in Longbeilingcun, CN.

Patents per Year

Patents granted per year, 2020 to 2025Bar chart with a peak of 1 patents in 2020.peak 12020: 1 patents20202021: 1 patents20212025: 1 patents2025

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
12253225 Simulated flame lamp and simulated flame lamp stand Chao Li 2025-03-18
11041230 Magnesium alloy and preparation method thereof Zuo Xu, Guoyuan Xiong, Chunhai Liu, Lixin Huang, Yongfei LI +2 more 2021-06-22
10680299 Battery heating methods and systems Jie Liu, Rui Zhao 2020-06-09

Frequent Collaborators

Chao Li1 shared
Rui Zhao1 shared
Jie Liu1 shared
Yongfei LI1 shared
Kedi Ding1 shared
Zuo Xu1 shared

Nearby-Ranked Inventors

Daniel Silion3
Hangfeng Li3
Mark Vander Wal3
Chad M. Goltzman3
Sathish Kumar Thanganathan3
Debbie Maloyd3
Ethan Alexander Garrett3
Paul Sabatka3
Sergii Bomko3