Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025

Showing 1–18 of 18 inventors

Rank Inventor Primary Company Patents
1 Mitsuaki Shioiri Sanyo Denki Co. 4
2 Akio Miyahara Sanyo Denki Co. 3
2 Hiroaki Tamura Seiko Epson 3
2 Syougo Yoda Sanyo Denki Co. 3
2 Takao Miyazawa Seiko Epson 3
2 Hideo Imai Seiko Epson 3
#7 Shuichi Takei Seiko Epson 2
#7 Yukio Furuya Nidec Sankyo 2
#7 Junichi Karasawa Seiko Epson 2
#10 Yoshinori Ide Ngk Insulators 1
#10 Kazutoshi Shimizu Seiko Epson 1
#10 Koichi Yoshizawa Seiko Epson 1
#10 Saito Tadamori Seiko Epson 1
#10 Minoru Moriwaki Seiko Epson 1
#10 Tomoaki Miyashita Seiko Epson 1
#10 Toshimasa Kobayashi Sony 1
#10 Fumitaka Kitamura Seiko Epson 1
#10 Norihito Matsukawa Seiko Epson 1