Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025

Yokohama, JP ranks #3,698 worldwide for total patents filed all time, with 794 patents from 14 inventors. Leading employers of inventors based in Yokohama, JP include Kabushiki Kaisha Toshiba, Sumitomo Electric Industries, Panasonic.

Showing 1–14 of 14 inventors

Rank Inventor Primary Company Patents
1 Takashi Kondo 366
2 Hiroshi Kubota Kabushiki Kaisha Toshiba 210
3 Yasunori Saito 59
#4 Toshio Danzuka Sumitomo Electric Industries 30
#5 Keiichi Morita Kabushiki Kaisha Toshiba 29
#6 Yuki Okada Panasonic 18
#6 Norbert Rehm Infineon Technologies Ag 18
#8 Masahiro Sone Hitachi 17
#9 Toru Kuwahara Sony 16
#10 Dai Yui Sumitomo Electric Industries 11
#11 Ryohei Yasuda Sony 7
#12 Tetsuaki Watanabe Sumitomo Electric Industries 6
#13 Alexei Gruverman Fujitsu Limited 5
#14 Yoshiyuki Kurami Fujifilm 2

Part of North Carolina