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

Pencom International — 6 Patents

Rank (All Time): #87,992 of 105,732Top 85%
2 inventors
6 Patents All Time

Patents per Year

Patents granted per year, 1989 to 1991Bar chart with a peak of 3 patents in 1990.peak 31989: 1 patents19891990: 3 patents19901991: 2 patents1991

Top Inventors at Pencom International All Time

Showing 1–2 of 2 inventors

RankNamePatents
1 Wai-Hon Lee 6
2 David I. Cullumber 1