Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025
DC

Dolphin Co.

Rank (2020): #12,500 of 32,488Top 40%
1 inventors
3 Patents 2020

Top Inventors at Dolphin Co. 2020

Showing 1–1 of 1 inventors

RankNamePatents
1 Zhihui Duan 3