Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025

Ritto, JP ranks #9,162 worldwide for total patents filed in 2021, with 9 patents from 3 inventors. Leading employers of inventors based in Ritto, JP include Ishida Co., Toyoda Gosei Co..

Showing 1–3 of 3 inventors

Rank Inventor Primary Company Patents
1 Shinji Koike Ishida Co. 5
2 Yuji Yokota Ishida Co. 3
3 Osamu Hirose Toyoda Gosei Co. 1