Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025

Showing 1–19 of 19 inventors

Rank Inventor Primary Company Patents
1 Takayuki Saito Ebara 7
2 Yoshihiro Yoneda Sony 4
3 Ken Ebihara Asahi Glass Co. 3
#4 Sadao Ueno Rheon Automatic Machinery Co. 2
#4 Katsuhiko Shibuya Nihon Bayer Agrochem K. K. 2
#4 Tomoaki Kobayashi Pentax 2
#7 Masayuki Tajima Komatsu 1
#7 Akira Shimotoyodome Kao 1
#7 Hiroshi Kusuoku Kao 1
#7 Katsuhiro Doi Fujikura 1
#7 Hideki Hiratsuka Honda Motor Co. 1
#7 Mitsugu Hamajima Kao 1
#7 Yukio Suda Fujitsu Limited 1
#7 Masashi Iwata Yazaki 1
#7 Masanori Takita Kao 1
#7 Hirohisa Suwabe Hitachi 1
#7 Toshiaki Nagano Kansai Paint Co. 1
#7 Eiji Goto Canon 1
#7 Shigenobu Sugita Canon 1