Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025

Showing 1–9 of 9 inventors

Rank Inventor Primary Company Patents
1 Kenji Hayashi Seiko Epson 10
2 Naohiro Hirose Ibiden Co. 7
3 Hiroyuki Ishida Koito Manufacturing Co. 6
#4 Toshiyuki Imai Sanyo Semiconductor Co. 3
#5 Keita Gunji Omron 2
#5 Kenji Goto Toyota 2
#7 Koichiro Yamashita Fujitsu Limited 1
#7 Tsutomu Sakai Toyota 1
#7 Takeshi Toru Teijin Limited 1