Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Ube › Daisuke Douyama
DD

Daisuke Douyama — 1 Patent in 2021

UIUbe Industries: 1 patents #11 of 40Top 30%
Ube, JP: #12 of 50 inventorsTop 25%
Overall (2021): #486,041 of 548,734Top 90%
1 Patents 2021

Issued Patents 2021

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
10933615 Multilayer tubes Kazutoshi TSUBOI, Koji Nakamura, Takaaki KUSUMOTO 2021-03-02

Nearby-Ranked Inventors

David B. Downie1
David Dowling1
David J. Dowling1
Darwin Dowdie1
Daniel T. Dovel1
Damien Douxchamps1
Darin Dougherty1
Daniel Jean Donat Doucette1
David Doucette1