Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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Ru Chen — 3 Patents

ULUltracell: 1 patents #13 of 30Top 45%
Overall (All Time): #1,328,092 of 4,157,543Top 35%
3 Patents All Time
Ru Chen has been granted 3 US patents while listed as an inventor at Ultracell. The first was granted in 2004 and the most recent in November 2024. Ru Chen ranks #1,328,092 of 4,157,543 US inventors in our database (top 31.9%). Patent records list Ru Chen in Changhua City, CA, TW.

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
D1050242 Spectacle frame 2024-11-05
11305232 Filtration systems and methods Franklin Paul BARCINAS, Ian W. Kaye 2022-04-19
6676001 Screw positioning device for a screw driving gun Diing-Shen Chen 2004-01-13