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USPTO Patent Rankings Data through Sept 30, 2025
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Bonggwon Ji — 2 Patents in 2019

Microsoft: 2 patents #1,056 of 7,452Top 15%
Overall (2019): #188,832 of 560,194Top 35%
2 Patents 2019

Issued Patents 2019

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
10228732 Hinge with variable sliding friction Brett Andrew Tomky, Liang Zhang 2019-03-12
10174534 Multi-pivot hinge Errol Mark Tazbaz, Brian Bitz, John Campbell, Jeff Liao, Jingjiang Zhang 2019-01-08