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USPTO Patent Rankings Data through Dec 31, 2025
DU

Duplo — 2 Patents in 2020

Rank (2020): #18,032 of 32,409Top 60%
4 inventors
2 Patents 2020

Top Inventors at Duplo 2020

Showing 1–4 of 4 inventors

RankNamePatents
1 Shuhei Yamamoto 2
2 Kazuki Imai 1
2 Kazuhiro Tanaka 1
2 Tomohiko Niwa 1