Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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Ching-Huei Chang — 1 Patent

ACAskey Computer: 1 patents #29 of 93Top 35%
Gukeng, TW: #17 of 44 inventorsTop 40%
Overall (All Time): #2,406,284 of 4,157,543Top 60%
1 Patents All Time
Ching-Huei Chang has been granted 1 US patent while listed as an inventor at Askey Computer. All of these patents were granted in 2012. Ching-Huei Chang ranks #2,406,284 of 4,157,543 US inventors in our database (top 57.9%). Patent records list Ching-Huei Chang in Gukeng, TW.

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
8279337 Casing of webcam Ko-Hsien Lee, Ching-Feng Hsieh 2012-10-02