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USPTO Patent Rankings Data through Dec 31, 2025
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Charles Stephen Spirakis — 1 Patent

Overall (All Time): N/A of 4,157,543
1 Patents All Time
Charles Stephen Spirakis has been granted 1 US patent. All of these patents were granted in 2025.

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
12499176 High throughput characterization of aggregate particles Ray Nagatani, Allen Richard Zhao, Antonio Raymond Papania-Davis, Weixin Yan, Jeffrey Bush +1 more 2025-12-16