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

Drdc Limited — 6 Patents

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

Patents per Year

Patents granted per year, 2002 to 2011Bar chart with a peak of 2 patents in 2005.peak 22002: 1 patents20022003: 1 patents20032005: 2 patents20052007: 1 patents20072011: 1 patents2011

Top Inventors at Drdc Limited All Time

Showing 1–1 of 1 inventors

RankNamePatents
1 Ryuichi Utsugi 6