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USPTO Patent Rankings Data through Sept 30, 2025
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Stephen Ulbrich — 2 Patents in 2018

ITIntegrated Device Technology: 2 patents #5 of 83Top 7%
Anaheim, CA: #17 of 103 inventorsTop 20%
California: #12,239 of 60,411 inventorsTop 25%
Overall (2018): #99,892 of 503,207Top 20%
2 Patents 2018

Issued Patents 2018

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
9979290 Dual use bootstrap driver 2018-05-22
9899908 High frequency wireless power rectifier startup circuit design Lijie Zhao, Yue Wang 2018-02-20