Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025

Showing 1–8 of 8 inventors

Rank Inventor Primary Company Patents
1 Masao Nagata Yanmar Holdings Co. 2
2 Nobuhiko Matsushita Kyocera 1
2 Takaaki Sasaki Oki Electric Industry Co. 1
2 Masataka Mochzuki Hon Hai Precision Ind. Co. 1
2 Sadayuki Wakao Minebea Co. 1
2 Eiji Sugano 1
2 Tadao Kashiwaba Sato 1
2 Isao Amari Japan Cash Machine Co. 1