Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025

Showing 1–4 of 4 inventors

Rank Inventor Primary Company Patents
1 Hiroshi Nakamoto Fujitsu Limited 3
2 Satoshi Ishizuka Sumitomo Electric Industries 2
2 Minoru Sawada Sanyo Electric Co. 2
#4 Akira Kanda Toshiba Kikai 1