Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025

Showing 1–4 of 4 inventors

Rank Inventor Primary Company Patents
1 Jun Kadowaki Wacom Co. 62
2 Sakae Ito Brother Kogyo 40
3 Mikihiko Ishii Nikon 16
#4 Kaoru Nomoto Nippondenso Co. 10