Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025

Yokohama, JP ranks #4,284 worldwide for total patents filed all time, with 654 patents from 19 inventors. Leading employers of inventors based in Yokohama, JP include Kabushiki Kaisha Toshiba, Hitachi, Nikon.

Showing 1–19 of 19 inventors

Rank Inventor Primary Company Patents
1 Shinji Yamada Kabushiki Kaisha Toshiba 114
2 Akira Fujimoto Kabushiki Kaisha Toshiba 87
3 Koji Yamakawa Kabushiki Kaisha Toshiba 84
#4 Keiji Kojima Hitachi 64
#5 Hironobu Murata Nikon 49
#6 Yoshio Nakajima Olympus Optical Co. 48
#7 Tomoki Ono Sony 32
#8 Akira Nakagawara Sony 25
#8 Arata Suzuki Ricoh Company 25
#10 Hirotaka Nishino Kabushiki Kaisha Toshiba 19
#11 Shoji Fukumoto Takeda Pharmaceutical Company Limited 18
#12 Yoshiharu Imamoto Panasonic 17
#13 Kenji Uchino Penn State 14
#13 Takashi Suzuoka Kabushiki Kaisha Toshiba 14
#15 Bruce W. McNeill AT&T 13
#15 Shintaro Takehara Kabushiki Kaisha Toshiba 13
#17 Yasushi Kawakura Kabushiki Kaisha Toshiba 7
#18 Yoshihiko Usami Sony 6
#19 Masahiro Tokoro IBM 5

Part of Pennsylvania