Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025

Showing 1–15 of 15 inventors

Rank Inventor Primary Company Patents
1 Tomoko Matsudai Kabushiki Kaisha Toshiba 3
1 Keisuke Ichikawa Olympus 3
3 Junko Kawai Karl Storz Gmbh & Co. Kg 2
#4 Takehiko Matsumura Tti Ellebeau 1
#4 Kenichiro Yamaguchi Hitachi 1
#4 Kazuhiko Otaka Nsk 1
#4 Syuichi Segawa Sapporo Holdings Limited 1
#4 Akihiko Matsumura Tti Ellebeau 1
#4 Akio Michinaka Olympus 1
#4 Matsumi Suzuki Konami Digital Entertainment Co. 1
#4 Chang-Soon Chi Samsung 1
#4 Hidero Akiyama Tti Ellebeau 1
#4 Mizuo Nakayama Tti Ellebeau 1
#4 Shuichi Uchikoga Kabushiki Kaisha Toshiba 1
#4 Masamichi Kaneko Tetra Laval Holdings & Finance S.A. 1