Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025

Hachioji, JP ranks #4,963 worldwide for total patents filed all time, with 539 patents from 11 inventors. Leading employers of inventors based in Hachioji, JP include Olympus, Hitachi, Kabushiki Kaisha Toshiba.

Showing 1–11 of 11 inventors

Rank Inventor Primary Company Patents
1 Takashi Kono Olympus 172
2 Hideki Nakamura Hitachi 142
3 Yoshinobu Nakagome Hitachi 99
#4 Koichi Endo Kabushiki Kaisha Toshiba 43
#5 Mitsuo Kato Mitsubishi Mining 28
#6 Seiji Kashioka Hitachi 19
#7 Koichiro Takayama Fujitsu Limited 18
#8 Tomoyuki KAGA Olympus 8
#9 Kazutaka Kishita Threebond Co. 4
#9 Hiromichi Fujimori Aida Engineering 4
#11 Nobuo Ohsawa Threebond Co. 2

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