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USPTO Patent Rankings Data through Sept 30, 2025
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Xiaoding Ma — 4 Patents in 2018

STSeagate Technology: 4 patents #65 of 588Top 15%
Fremont, CA: #162 of 1,677 inventorsTop 10%
California: #4,911 of 60,411 inventorsTop 9%
Overall (2018): #33,230 of 503,207Top 7%
4 Patents 2018

Issued Patents 2018

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
10151025 Helmholtz coil assisted PECVD carbon source Christopher L. Platt, Zhaohui Fan, Samuel Lewis Tanaka, Chun Wai Joseph Tong, Thomas Larson Greenberg 2018-12-11
10109465 Coil filament for plasma enhanced chemical vapor deposition source Romulo Ata, Zhaohui Fan, Samuel Lewis Tanaka, Christopher L. Platt 2018-10-23
9984713 Heat assisted magnetic recording media with enhanced tuning exchange coupling Antonio Javier Zambano, Connie Chunling Liu, Zhaohui Fan, Jerry Kueirweei Chour 2018-05-29
9984714 Apparatuses and methods for absorbing optical energy Paul M. Jones, Timothy J. Klemmer, Ruoxi Yang, Martin Blaber, Zhaohui Fan +10 more 2018-05-29