Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025

Showing 1–9 of 9 inventors

Rank Inventor Primary Company Patents
1 Takaaki Koizumi Ngk Insulators 4
2 Hitoshi Fujino Brother Kogyo 3
3 Fumio Taniguchi Panasonic 1
3 Satoru Ariyoshi Sharp Kabushiki Kaisha 1
3 Michinori Ikuji Ckd 1
3 Kunihiro Ohara Fujitsu Semiconductor Limited 1
3 Aya Tamura Brother Kogyo 1
3 Yasushi Aoyama Hitachi 1
3 Katsuharu Yoshikawa Tism Co. 1