Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025

Kitayama, JP ranks #10,793 worldwide for total patents filed in 2021, with 7 patents from 3 inventors. Leading employers of inventors based in Kitayama, JP include Sekisui Chemical Co..

Showing 1–3 of 3 inventors

Rank Inventor Primary Company Patents
1 Ryuta Tsunoda Sekisui Chemical Co. 3
1 Kouhei Yamaguchi Sekisui Chemical Co. 3
3 Izumi Matsumoto Sekisui Chemical Co. 1