Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
DF

Dfi — 1 Patent in 2021

Rank (2021): #28,738 of 31,506Top 95%
3 inventors
1 Patents 2021

Top Inventors at Dfi 2021

Showing 1–3 of 3 inventors

RankNamePatents
1 Chia-Yi Chang 1
1 Chien-Ming Yu 1
1 Jheng-Rong Cai 1