Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
O&

O&K — 5 Patents

Rank (All Time): #91,605 of 106,120Top 90%
6 inventors
5 Patents All Time

Top Inventors at O&K All Time

Showing 1–6 of 6 inventors

RankNamePatents
1 Paul J. Neumeier 3
2 Hitoshi Ohta 1
2 Keizo Kinoshita 1
2 Koji Murakami 1
2 Robert Kalthoff 1
2 Tetsuya Tsukamoto 1