Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025

Showing 1–13 of 13 inventors

Rank Inventor Primary Company Patents
1 Masahiko Okunuki Canon 9
2 Mitsuhiro Ito Hamamatsu Photonics K.K. 3
3 Kiyoshi Ogishima Sharp Kabushiki Kaisha 2
3 Katsumi Kishino Sophia School 2
#5 Toru Mamata Kabushiki Kaisha Toshiba 1
#5 Tooru Mamata Kabushiki Kaisha Toshiba 1
#5 Shinya Takasumi Olympus 1
#5 Dai Kanai Canon 1
#5 Takayuki Hirotani Casio Computer Co. 1
#5 Hiroshi Toyoshima Renesas Technology 1
#5 Takanori Sumi Kabushiki Kaisha Toshiba 1
#5 Kenji Chichii Fujitsu Microelectronics Limited 1
#5 Tatsuhiko OKITA Olympus 1