Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025

Showing 1–21 of 21 inventors

Rank Inventor Primary Company Patents
1 Kei Yonemori Mazda Motor 4
2 Tomonori Saeki Hitachi High-Technologies 3
2 Daisuke Fukuda Fujitsu Limited 3
#4 Hiroki Kimura Nihon Dempa Kogyo Co. 2
#4 Shinya Fujioka Fujitsu Limited 2
#4 Eiji Sugimoto Delta Tooling Co. 2
#4 Ryuichiro Amano Mazda Motor 2
#8 Masakazu Kumano U-Shin 1
#8 Kouichi Matsumoto Nec 1
#8 Shohei Kuroda Mazda Motor 1
#8 Hiroyuki Utsumi Fujitsu Limited 1
#8 Yukihito Itami Mazda Motor 1
#8 Takako Sueda Teikoku Seiyaku Co. 1
#8 Akira Tsuda Mazda Motor 1
#8 Masahiro Miyazaki Tdk 1
#8 Masaki Oda Mazda Motor 1
#8 Wataru Kuwahara Mazda Motor 1
#8 Koji Iwase Mazda Motor 1
#8 Shinichirou Yamashita Mazda Motor 1
#8 Norihiro Tomita Eiken Kagaku 1
#8 Daisuke Shimo Mazda Motor 1