Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025

Showing 1–4 of 4 inventors

Rank Inventor Primary Company Patents
1 Isamu Takemoto Nippon Koshuha Steel Co. 1
1 Misao NAKANO Fujitsu Limited 1
1 Hidehiro Seki Sharp Kabushiki Kaisha 1
1 Toshikuni Sato Kabushiki Kaisha Toshiba 1