Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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Drdc Limited — 6 Patents

Rank (All Time): #85,246 of 105,917Top 85%
1 inventors
6 Patents All Time

Top Inventors at Drdc Limited All Time

Showing 1–1 of 1 inventors

RankNamePatents
1 Ryuichi Utsugi 6