Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025

Yokohama, JP ranks #4,399 worldwide for total patents filed all time, with 630 patents from 12 inventors. Leading employers of inventors based in Yokohama, JP include Kabushiki Kaisha Toshiba, Canon, Ricoh Company.

Showing 1–12 of 12 inventors

Rank Inventor Primary Company Patents
1 Yoshihiro Ueda Kabushiki Kaisha Toshiba 153
2 Kenichi Takeda Canon 124
3 Kenichi Maeda Kabushiki Kaisha Toshiba 110
#4 Tadashi Kasai Ricoh Company 65
#5 Kazuo Morita Olympus 57
#6 Tatsuya Sugawara Ricoh Company 32
#7 Masao Hashimoto Omron Healthcare Co. 27
#8 Yuichi Hamamura Hitachi 20
#9 Taihei Suzuki Hitachi 19
#10 Yusuke Shoji Kubota 10
#11 Izumi Yamashita Asahi-Dow 9
#12 Masayuki Yanagida Sumitomo Electric Industries 4

Part of Georgia