Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025

Showing 1–6 of 6 inventors

Rank Inventor Primary Company Patents
1 Yoshiyuki Wasada Taiyo Yuden Co. 5
2 Isao Hoashi Sanden 1
2 Kozo Uesawa Hitachi Ulsi Systems Co. 1
2 Yasunari Nakajima Sanden 1
2 Akiyoshi Higashiyama Sanden 1
2 Tadashi Koriki Mitsubishi Pencil Company, Limited 1