Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025

Showing 1–8 of 8 inventors

Rank Inventor Primary Company Patents
1 Tomonori Kataoka Sumitomo Electric Industries 2
2 Yutaka Miyazono Sumitomo Electric Industries 1
2 Junichi Nagano Mitsubishi Electric 1
2 Kazuro Nagashima Shoei Chemical 1
2 Tadashi Shimotoso Sumitomo Electric Industries 1
2 Yasuhiko Isobe Fujitsu Limited 1
2 Akihiro Matsubara Sumitomo Electric Industries 1
2 Sumio Tate Sumitomo Electric Industries 1