Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025

Showing 1–20 of 20 inventors

Rank Inventor Primary Company Patents
1 Kenji Enda Sharp Kabushiki Kaisha 5
2 Motoshi Kishi Brother Kogyo 4
3 Akihiro Shoraku Sharp Kabushiki Kaisha 3
3 Toshihide Endoh Mitsubishi Materials 3
#5 Kohji Matsuoka Ricoh Company 2
#5 Ryoh Hatakeyama Sharp Kabushiki Kaisha 2
#5 Mitsuhiro Moriyasu Sharp Kabushiki Kaisha 2
#5 Shoji Tsutsui Toyo Jidoki Co. 2
#9 Kazunori Ooi Ajinomoto Co. 1
#9 Tomokazu Ohtsubo Sharp Kabushiki Kaisha 1
#9 Isao Tomida Brother Kogyo 1
#9 Eiji Hattori Mitsubishi Chemical 1
#9 Mitsuyoshi Itada Asahi Kasei Life And Living 1
#9 Kosuke Yamawaki Furukawa Electric Co. 1
#9 Masami Hattori Nippon Shokubai Co. 1
#9 Michihiro Yatsuzuka Asahi Kasei Chemicals 1
#9 Iwao Yanagizawa Mitsuba 1
#9 Yukihiko Hosotani Sharp Kabushiki Kaisha 1
#9 Yuhsuke Ebata Sharp Kabushiki Kaisha 1
#9 Kazuya Shima Panasonic 1