Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025

Yokohama, JP ranks #4,432 worldwide for total patents filed all time, with 624 patents from 9 inventors. Leading employers of inventors based in Yokohama, JP include Panasonic, Fujitsu Limited, Ricoh Company.

Showing 1–9 of 9 inventors

Rank Inventor Primary Company Patents
1 Tomoyuki Okada Panasonic 342
2 Hirotaka Tamura Fujitsu Limited 102
3 Katsumi Daimon 62
#4 Toshitake Yui 38
#5 Soichiro Yamamoto Fujitsu Limited 34
#6 Yuji Murata 22
#7 Hidekazu Aonuma 9
#8 Midori Aida Ricoh Company 8
#9 Tatsuya Fujiwara Seikoh Giken Co. 7