Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025

Showing 1–9 of 9 inventors

Rank Inventor Primary Company Patents
1 Shinji Takakura Kabushiki Kaisha Toshiba 7
2 Tadashi Kawaguchi Komatsu 4
3 Kazumi Ozawa Toyo Seikan Co. 2
#4 Yasuko Matsubayashi Japan Vilene Company 1
#4 Koki Fujimoto Fujitsu Limited 1
#4 Akira Hideno Furukawa Electric Co. 1
#4 Kazuhide MARUYAMA Mitsui Chemicals 1
#4 Kazuyuki Tsurumi Sanoh Kogyo Kabushiki Kaisha 1
#4 Syuichi Murata Japan Vilene Company 1