Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025

Showing 1–10 of 10 inventors

Rank Inventor Primary Company Patents
1 Kunio Watanabe Asahi Glass Co. 3
2 Masakuni Shiozawa Seiko Epson 2
2 Akihito Narita Seiko Epson 2
2 Satoru Nishimura Komatsu 2
#5 Katsumi Mori Seiko Epson 1
#5 Yuuichirou Hayashi Gifu Plastic Industry Co. 1
#5 Naoki Komukai Seiko Epson 1
#5 Yuichi Hayasaki Seiko Epson 1
#5 Yoshikazu Kasuya Seiko Epson 1
#5 Yoshiharu Ogata Seiko Epson 1