Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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Portable Multimedia — 44 Patents

Rank (All Time): #14,644 of 106,120Top 15%
4 inventors
44 Patents All Time

Top Inventors at Portable Multimedia All Time

Showing 1–4 of 4 inventors

RankNamePatents
1 Graham Lambert 44
2 Ceri Hill 42
3 Robert Grant 38
#4 Sam Lewis 6