Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025

Showing 1–4 of 4 inventors

Rank Inventor Primary Company Patents
1 Hiroko Amano Dai Nippon Printing Co. 2
2 Tsuyoshi Segawa Robert Reid 1
2 Takaaki Chikushi Seiko Epson 1
2 Takeo Hariu NTT 1