Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025

Showing 1–6 of 6 inventors

Rank Inventor Primary Company Patents
1 Katsumi Mori Seiko Epson 7
2 Naohiro Moriya Seiko Epson 3
2 Kunio Watanabe Asahi Glass Co. 3
#4 Yoshikazu Kasuya Seiko Epson 2
#4 Kazunobu Kuwazawa Seiko Epson 2
#6 Masakuni Shiozawa Seiko Epson 1