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

Hung-An Chang — 3 Patents

Microsoft: 2 patents #17,644 of 40,388Top 45%
ATAvisonic Technology: 1 patents #9 of 11Top 85%
Overall (All Time): #1,328,092 of 4,157,543Top 35%
3 Patents All Time
Hung-An Chang has been granted 3 US patents while listed as an inventor at Microsoft. The first was granted in 2009 and the most recent in October 2021. Hung-An Chang ranks #1,328,092 of 4,157,543 US inventors in our database (top 31.9%). Patent records list Hung-An Chang in Taipei, WA, TW.

Patents per Year

Patents granted per year, 2009 to 2021Bar chart with a peak of 1 patents in 2009.peak 12009: 1 patents20092020: 1 patents20202021: 1 patents2021

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
11157539 Topic set refinement Chhaya METHANI, Mayank Shrivastava, Pushpraj Shukla, Jonas Barklund, Dario Vignudelli +1 more 2021-10-26 $274,460,000
10838995 Generating distinct entity names to facilitate entity disambiguation Wei Zhuang, Jingfeng Li, Yan Ke 2020-11-17 $148,442,000
7486844 Color interpolation apparatus and color interpolation method utilizing edge indicators adjusted by stochastic adjustment factors to reconstruct missing colors for image pixels Homer H. Chen 2009-02-03