Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025

Showing 1–7 of 7 inventors

Rank Inventor Primary Company Patents
1 Hideki Nakamura Hitachi 5
2 Koichiro Takayama Fujitsu Limited 4
3 Koichi Endo Kabushiki Kaisha Toshiba 3
#4 Seiji Kashioka Hitachi 1
#4 Yoshinobu Nakagome Hitachi 1
#4 Mitsuo Kato Mitsubishi Mining 1
#4 Takashi Kono Olympus 1

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