Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025

Showing 1–17 of 17 inventors

Rank Inventor Primary Company Patents
1 Hiroaki Hosomi Seiko Epson 2
1 Masayuki Matsunaga Seiko Epson 2
1 Kazuhiko Shimodaira Seiko Epson 2
1 Tomohiro Yuda Seiko Epson 2
1 Matsutaro Naito Seiko Epson 2
#6 Yasushi Yajima Seiko Epson 1
#6 Kunihito Yamanaka Seiko Epson 1
#6 Masaru Mikami Seiko Epson 1
#6 Takuya Owaki Seiko Epson 1
#6 Yuichi Mori Seiko Epson 1
#6 Keigo Ito Olympus 1
#6 Takato HAYASHI Seiko Epson 1
#6 Takemi Yonezawa Seiko Epson 1
#6 Norifumi Shimisu Seiko Epson 1
#6 Hideyuki Akanuma Seiko Epson 1
#6 Noboru Inoue Semiconductor Energy Laboratory 1
#6 Mitsuaki Yoshizawa Seiko Epson 1