Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025
YC

Yihua Chang — 3 Patents

DEDelta Electronics: 2 patents #901 of 2,746Top 35%
IBM: 1 patents #44,794 of 70,183Top 65%
Taoyuan, NY: #21 of 23 inventorsTop 95%
Overall (All Time): #1,324,897 of 4,157,543Top 35%
3 Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
12267020 Isolated resonant DC-DC converter Yuri Panov, Peter Mantovanelli Barbosa, Kai Dong 2025-04-01
11791733 Isolated resonant DC-DC converters and control methods thereof Yuri Panov, Peter Mantovanelli Barbosa, Kai Dong 2023-10-17
4608706 High-speed programmable timing generator Lawrence J. Grasso, Algirdas J. Gruodis, Carroll E. Morgan 1986-08-26