Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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Ad-Ii Engineering — 1 Patent in 2021

Rank (2021): #31,452 of 31,506Top 100%
2 inventors
1 Patents 2021

Top Inventors at Ad-Ii Engineering 2021

Showing 1–2 of 2 inventors

RankNamePatents
1 Chung-Ren Chang 1
1 Chien-Hao Su 1