Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025

Showing 1–15 of 15 inventors

Rank Inventor Primary Company Patents
1 Masahiko Yasuda Nikon 3
1 Tatsunosuke Miyano Gc 3
1 Ken Hatano Kabushiki Kaisha Toshiba 3
#4 Yasuhiko Shiomi Canon 2
#4 Kinya Nihei Gc 2
#4 Yoshiaki Goto Topcon 2
#7 Akie Hamasaki Lintec 1
#7 Senri TANIDA Tanita 1
#7 Junki Kaneko Topcon 1
#7 Hiroo Uchiyama Fujitsu Limited 1
#7 Yo Itakura Topcon 1
#7 Yoshikatsu Tokuda Topcon 1
#7 Mitsuyori Saitoh Texas Instruments 1
#7 Teruichiro Ban Tanita 1
#7 Takao Nishikawa Seiko Epson 1