Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025

Showing 1–12 of 12 inventors

Rank Inventor Primary Company Patents
1 Yasube Kashiwaba National University Corporation, Iwate University 2
1 Kunio Mori Nitto Chemical Industry Co. 2
3 Kohsuke Takahashi Citizen Holdings Co. 1
3 Noriaki Chiba Advantest 1
3 Nobuhiro Kotoda National Agricultural Research Organization 1
3 Junichi Soejima National Agricultural Research Organization 1
3 Junya Sato Nec 1
3 Fukunori Izumida Citizen Holdings Co. 1
3 Ikutaro Inoue Alps Electric Co. 1
3 Toshiki Nakamura Nippon Flour Mills Co.,Ltd. 1
3 Eriko Ohshima Citizen Holdings Co. 1
3 Mayo Sugibuchi Citizen Holdings Co. 1