Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025

Showing 1–11 of 11 inventors

Rank Inventor Primary Company Patents
1 Yoshimasa Amatatsu Sanyo Semiconductor Co. 4
1 Kazuhiko Miyata Sharp Kabushiki Kaisha 4
3 Kazuya Niki Sanyo Electric Co. 3
#4 Kazutoshi Toda Koyo Seiko Co. 2
#4 Tatsuhiko Matsumoto Panasonic 2
#6 Yuji Kozuma Sharp Kabushiki Kaisha 1
#6 Yasukata Miyagawa Koyo Seiko Co. 1
#6 Ryoichi Wada Sumitomo Electric Industries 1
#6 Tomohiko Kamimura Hosiden 1
#6 Kiyohito Mukai Sumitomo Electric Industries 1
#6 Kenji Nansaka Sanyo Electric Co. 1