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USPTO Patent Rankings Data through Dec 31, 2025
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Chieh-Hung Chang — 3 Patents

DEDelta Electronics: 3 patents #649 of 2,746Top 25%
Taoyuan, TW: #1,900 of 5,438 inventorsTop 35%
Overall (All Time): #1,328,092 of 4,157,543Top 35%
3 Patents All Time
Chieh-Hung Chang has been granted 3 US patents while listed as an inventor at Delta Electronics. The first was granted in 2024 and the most recent in August 2025. Chieh-Hung Chang ranks #1,328,092 of 4,157,543 US inventors in our database (top 31.9%). Patent records list Chieh-Hung Chang in Taoyuan, TW.

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
D1089621 Fan blade Chin-Hung Lee, Chieh-Shih Chang, Jian Wu 2025-08-19
12221975 Impeller Chin-Hung Lee, Chieh-Shih Chang, Ya-Ting Chang 2025-02-11
D1033620 Fan Chin-Hung Lee, Chieh-Shih Chang 2024-07-02

Frequent Collaborators

Chin-Hung Lee3 shared
Chieh-Shih Chang3 shared
Jian Wu1 shared
Ya-Ting Chang1 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