Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025

Showing 1–14 of 14 inventors

Rank Inventor Primary Company Patents
1 Eiji Yamada Toyota 8
2 Yasushi Yanagihara Brother Kogyo 7
3 Hideaki Mizuno Toyota 5
#4 Hiroshi Murashima Brother Kogyo 2
#5 Fumihiko Mouri Toyota 1
#5 Noriyoshi Terazawa Toyota 1
#5 Riichi Kato Hitachi-Omron Terminal Solutions 1
#5 Mitsutoshi Himaga Hitachi-Omron Terminal Solutions 1
#5 Koji Ogawa Sony 1
#5 Itsunori Utsumi Hitachi 1
#5 Eiji Tajima Ntn 1
#5 Takayuki Kouno Hitachi Plant Technologies 1
#5 Toshikazu Aoki Mitsubishi Electric 1
#5 Naotaka Katoh Lenovo (Singapore) Pte. 1