Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025

Showing 1–10 of 10 inventors

Rank Inventor Primary Company Patents
1 Yasunobu Tagusa Sharp Kabushiki Kaisha 4
2 Akinori Izumi Sharp Kabushiki Kaisha 3
3 Yuji Kariatsumari Jtekt 1
3 Kohji Shinkawa Sharp Kabushiki Kaisha 1
3 Koji Fujimoto Dainippon Sumitomo Pharma Co. 1
3 Masaya Ohnishi Sharp Kabushiki Kaisha 1
3 Hiromi Saitoh Seiko Epson 1
3 Naruichi Yokogawa Sharp Kabushiki Kaisha 1
3 Hidechika Kawazoe Sharp Kabushiki Kaisha 1
3 Masato Koutani Semiconductor Technology Academic Research Center 1