Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025

Showing 1–12 of 12 inventors

Rank Inventor Primary Company Patents
1 Yukie Uemura Dic 3
2 Takao Shimomura Eagle Industry Co. 2
2 Takashi Akutagawa Stanley Electric Co. 2
#4 Seiichi Fujita Seiko Epson 1
#4 Shinya Mukae Kubota 1
#4 Shoji Nishikawa Sumitomo Electric Industries 1
#4 Naritoshi Hirota Mitsui Chemicals 1
#4 Munehisa Okutsu Kao 1
#4 Jianye Jiang Dic 1
#4 Sadao Murata Seiko Epson 1
#4 Hisakazu Tanaka Dic 1
#4 Takashi Nabeta Mitsui Chemicals 1