Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025

Showing 1–3 of 3 inventors

Rank Inventor Primary Company Patents
1 Shigehisa Midorikawa 1
1 Yoshihisa Nagata Hirata 1
1 Hiromitsu Naka Kabushiki Kaisha Naka Gijutsu Kenkyusho 1