Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025

Yokohama, JP ranks #3,786 worldwide for total patents filed all time, with 769 patents from 17 inventors. Leading employers of inventors based in Yokohama, JP include Konica, Tdk, Hitachi.

Showing 1–17 of 17 inventors

Rank Inventor Primary Company Patents
1 Yutaka Kaneko Konica 137
2 Takuya Sato Tdk 113
3 Yoshio Sato Hitachi 91
#4 Tomohiro Kubota Ricoh Company 89
#5 Akio Fujii Canon 73
#6 Naoyoshi Tamura Fujitsu Semiconductor Limited 54
#7 Kouji Suzuki Kabushiki Kaisha Toshiba 47
#7 Masahiro Moriyama 47
#9 Makoto Imai Toyota 37
#10 Akinori Mizumura Molex 30
#11 Nobuki Hasegawa Komatsu 19
#12 Tomohiko Hayashi Seiko Epson 15
#13 Houjin Huang Sony 7
#14 Kota Nakashima Fujitsu Limited 4
#15 Takashi Osato Sumitomo Electric Industries 2
#15 Akiko Ohno Fujifilm 2
#15 Hongzhi Sun Samsung 2

Part of Illinois