Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025

Showing 1–9 of 9 inventors

Rank Inventor Primary Company Patents
1 Shiro Yamada Brother Kogyo 4
2 Toshiyuki Kondo Toyota 3
3 Hajime Inada Brother Kogyo 2
3 Shiro Sato Nippon Sheet Glass Company, Limited 2
#5 Toshihiro Sugiura Masprodenkoh Kabushikikaisha 1
#5 Atsushi Yokochi Brother Kogyo 1
#5 Yoshimitsu Inoue Denso 1
#5 Yo Tsurumi Sumitomo Heavy Industries 1
#5 Mayuko Umemura Brother Kogyo 1