Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025

Showing 1–16 of 16 inventors

Rank Inventor Primary Company Patents
1 Youji Urano Panasonic 5
2 Kouji Nomura Asahi Kasei Chemicals 3
3 Hirotaka Uoi Osaka Electro-Communication University 2
3 Minoru Kanda Japan Super Quartz 2
3 Shoko Matsumoto Sakura Color Products 2
3 Hitoshi Hongo Sanyo Electric Co. 2
#7 Kenji Kakuma Sanyo Electric Co. 1
#7 Hidekazu Himezawa Panasonic 1
#7 Keishi Kousaka Honda Motor Co. 1
#7 Katsunori Miura Sony 1
#7 Hideaki Tokunaga Sumitomo Electric Industries 1
#7 Kozo Uno Exedy 1
#7 Yoshiaki Hasaba Sun Electronic Industries 1
#7 Masakazu Hosogi Sun Electronic Industries 1
#7 Hideyoshi Mikata Osaka Electro-Communication University 1
#7 Noriyoshi Yamamoto Santen Pharmaceutical Co. 1