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USPTO Patent Rankings Data through Dec 31, 2025
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Ampula — 1 Patent in 2021

Rank (2021): #30,993 of 31,506Top 100%
1 inventors
1 Patents 2021

Top Inventors at Ampula 2021

Showing 1–1 of 1 inventors

RankNamePatents
1 Yajun Zhang 1