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USPTO Patent Rankings Data through Dec 31, 2025
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Haijun Dai — 2 Patents

Huawei: 2 patents #5,512 of 15,535Top 40%
Chengdu, CN: #846 of 2,669 inventorsTop 35%
Overall (All Time): #1,709,992 of 4,157,543Top 45%
2 Patents All Time
Haijun Dai has been granted 2 US patents while listed as an inventor at Huawei. The first was granted in 2024 and the most recent in March 2025. Haijun Dai ranks #1,709,992 of 4,157,543 US inventors in our database (top 41.1%). Patent records list Haijun Dai in Chengdu, CN.

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
12242747 Data deduplication method and apparatus, and computer program product Ren Ren, Chen-Yu Wang, Fangfang Zhu 2025-03-04
12019890 Adjustable deduplication method, apparatus, and computer program product Ren Ren, Chen-Yu Wang, Fangfang Zhu 2024-06-25

Frequent Collaborators

Fangfang Zhu2 shared
Chen-Yu Wang2 shared
Ren Ren2 shared

Nearby-Ranked Inventors

Leonard Mattheis2
Yiqi SHI2
Roberto DiCecco2
Haoneng Xu2
Emily Chew2
So Young Bae2
Julian Alexander Georgi2
Yoshihiro Asahara2
Assaf Ariel2