Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025

Showing 1–19 of 19 inventors

Rank Inventor Primary Company Patents
1 Kimitoshi Sato Mitsubishi Electric 5
2 Hideyuki Tanaka Ajinomoto Co. 3
2 Toshikatsu Kashiwaya Ngk Insulators 3
#4 Kenta Hayashida Brother Kogyo 2
#4 Masayuki Nishikawa 2
#6 Norie Ito Brother Kogyo 1
#6 Masahiko Ohashi Fujitsu Limited 1
#6 Hirokazu Konohara Aisan Kogyo Kabushiki Kaisha 1
#6 Akio Iwata Fujitsu Limited 1
#6 Hirohisa Omiya Nagoya City University 1
#6 Shutaro Wake Aica Kogyo Co. 1
#6 Hironori Takano Canon 1
#6 Mitsuaki Kondo Denso 1
#6 Hidekazu Ishii Brother Kogyo 1
#6 Hajime Okochi Brother Kogyo 1
#6 Minoru Yamashita Fujitsu Limited 1
#6 Tatsuhiko Nagata Right Mfg. Co. 1
#6 Yuichi Murakoshi Aisan Kogyo Kabushiki Kaisha 1
#6 Sadayoshi Hasegawa Aoyama Seisakusho Co. 1