Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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Mao-Chan Chang — 3 Patents

STSky Tech: 3 patents #7 of 15Top 50%
Dashulong, TW: #348 of 596 inventorsTop 60%
Overall (All Time): #1,328,092 of 4,157,543Top 35%
3 Patents All Time
Mao-Chan Chang has been granted 3 US patents while listed as an inventor at Sky Tech. The first was granted in 2023 and the most recent in October 2024. Mao-Chan Chang ranks #1,328,092 of 4,157,543 US inventors in our database (top 31.9%). Patent records list Mao-Chan Chang in Dashulong, TW.

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
12125721 Parallelism-adjustable bonding machine Jing-Cheng Lin, Jung-Hua Chang 2024-10-22
11961753 Substrate-bonding device Jing-Cheng Lin, Jung-Hua Chang 2024-04-16
11735456 Alignment mechanism and alignment method of bonding machine Jing-Cheng Lin, Jung-Hua Chang 2023-08-22