Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025

Yanagawa, JP ranks #73,472 worldwide for total patents filed all time, with 4 patents from 3 inventors. Leading employers of inventors based in Yanagawa, JP include Nec Electronics.

Showing 1–3 of 3 inventors

Rank Inventor Primary Company Patents
1 Shunji Hasuo 2
2 Atsushige Kondo 1
2 Norifumi Hori Nec Electronics 1