Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025

Showing 1–4 of 4 inventors

Rank Inventor Primary Company Patents
1 Norio Yokoyama Sony 1
1 Fumihiko Hoshino Toyota Central R&D Labs 1
1 Tetsuo Ito Hitachi 1
1 Hideo Sato Fujitsu Limited 1