Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025

Showing 1–14 of 14 inventors

Rank Inventor Primary Company Patents
1 Masaru Hikosaka Sanyo Electric Co. 2
1 Sadao Maeda Maeda Shell Service Co. 2
1 Masataka Nakashima Dai Nippon Printing Co. 2
1 Masaya Nishino Mitsubishi Electric 2
#5 Yasuhiro Nagamichi Mitsubishi Electric 1
#5 Tokumitsu Tomada Mitsubishi Electric 1
#5 Tokumitu TOMADA Mitsubishi Electric 1
#5 Hironari Yamada Sumitomo Heavy Industries 1
#5 Daigaku Kimura Sharp Kabushiki Kaisha 1
#5 Toshiro Fushiya 1
#5 Kosuke Katahira Mitsubishi Electric 1
#5 Norifumi Tasaka Mitsubishi Electric 1
#5 Kazuo Tomimoto Sanyo Electric Co. 1
#5 Wataru Kudo Furukawa Mfg. Co. 1