Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025

Yokohama, JP ranks #1,663 worldwide for total patents filed all time, with 2,004 patents from 24 inventors. Leading employers of inventors based in Yokohama, JP include Canon, Semiconductor Energy Laboratory, Jfe Steel.

Showing 1–24 of 24 inventors

Rank Inventor Primary Company Patents
1 Takeshi Yamamoto Canon 543
2 Masahiro Takahashi Semiconductor Energy Laboratory 378
3 Makoto Watanabe Jfe Steel 304
#4 Takeshi Aoki Semiconductor Energy Laboratory 208
#5 Toshihiro Nakamura Sony 83
#6 Hiroshi Kitamura Nec 66
#7 Yasunori Ogawa Seiko Epson 61
#8 Shingo Kato Mitsubishi Electric 58
#9 Akira Miyazaki Honda Motor Co. 55
#10 Takahiro Hasegawa Kabushiki Kaisha Toshiba 49
#11 Hiroyuki Noguchi Lenovo (Singapore) Pte. 47
#12 Hiroki Sugiura Fujifilm 30
#13 Kenichi Hayakawa Fujitsu Limited 21
#13 Ikuo Komatsu Toyo Seikan Co. 21
#15 Takahiro Nozaki Keio University 14
#16 Jun Otsuki Honda Motor Co. 13
#17 Misao Hiza The Yokohama Rubber Co. 11
#18 Kazushige Ebe Bridgestone 9
#19 Daniel Scherrer Inventio Ag 7
#19 Eiichi Nishizawa Kao 7
#21 Koji Nozoe Fujitsu Semiconductor Limited 6
#21 Takashi Onuma Honda Motor Co. 6
#23 Toshio Seo Lexmark International 4
#24 Hiroyuki Toshino Honda Motor Co. 3

Part of Ohio