Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025

Showing 1–20 of 20 inventors

Rank Inventor Primary Company Patents
1 Kouichi Moriya Nihon Dempa Kogyo Co. 6
2 Shinichi Wakamatsu Ricoh Company 3
2 Nobuo Nakajima Canon 3
#4 Toshiro Yoda Hitachi 2
#4 Mitsuru Soma Sanyo Electric Co. 2
#6 Mitsuo Hagiwara Renesas Electronics 1
#6 Hiromichi Ichikawa Lion Group 1
#6 Hiroyuki Minaguchi Kabushiki Kaisha Toshiba 1
#6 Kohki Iwata Diesel Kiki Co. 1
#6 Masami Ohtani Dainippon Screen Mfg. Co. 1
#6 Masaru Yamashita Honda Motor Co. 1
#6 Kanji Yokomizo Sony 1
#6 Katsumi Ueno Hitachi Construction Machinery Co. 1
#6 Hiroshi Tonegawa Mitsubishi Electric 1
#6 Jun Tani Sony 1
#6 Takeo Kushida Diesel Kiki Co. 1
#6 Toshiaki Kasahara Nissan Motor Co. 1
#6 Kiminori Sekiguchi Atago Co. 1
#6 Hitoshi Sugimoto Canon 1
#6 Yoshihisa Eto Valeo Thermal Systems Japan 1