Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025

Showing 1–7 of 7 inventors

Rank Inventor Primary Company Patents
1 Kinya Ono Pioneer 2
1 Katsumi Kawagoe Riso Kagaku 2
3 Yoshiya Kuwahara Riso Kagaku 1
3 Shoichi Miyata Riso Kagaku 1
3 Akira Takata Megachips 1
3 Yoshihisa Watanabe Kabushiki Kaisha Toshiba 1
3 Mitsuaki Ishitoya Riso Kagaku 1