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

Ching-Nan Wu — 1 Patent

DEDelta Electronics: 1 patents #1,366 of 2,746Top 50%
Taoyuan, TW: #3,408 of 5,438 inventorsTop 65%
Overall (All Time): #2,406,284 of 4,157,543Top 60%
1 Patents All Time
Ching-Nan Wu has been granted 1 US patent while listed as an inventor at Delta Electronics. All of these patents were granted in 2025. Ching-Nan Wu ranks #2,406,284 of 4,157,543 US inventors in our database (top 57.9%). Patent records list Ching-Nan Wu in Taoyuan, TW.

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
12294296 Totem pole power factor correction circuit and method of operating the same Chun-Hao Huang, Chun-Wei Lin, I-Hsiang Shih, Jia-Wei Yeh 2025-05-06