Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025
YK

Yoichi KAI

DYDyflex: 2 patents #2 of 15Top 15%
Overall (All Time): #1,946,646 of 4,157,543Top 50%
2 Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
10066120 Urethane composition for coating film waterproof material Kenji Yoshino 2018-09-04
9890285 Asphalt-urethane composition Kenji Yoshino 2018-02-13