Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025

Showing 1–3 of 3 inventors

Rank Inventor Primary Company Patents
1 Kohji Norimatsu Hitachi Maxell 1
1 Kazuaki Higuchi Fuso Chemical Co. 1
1 Hiroaki Yamashita Kabushiki Kaisha Toshiba 1