YT

Yayi TSENG

DI Dic: 3 patents #189 of 844Top 25%
Overall (All Time): #1,346,081 of 4,157,543Top 35%
3
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
12410316 Urethane resin composition and leather sheet Ryo Maeda 2025-09-09
11111353 Porous-object production method Kunihiko Komatsuzaki 2021-09-07
10836902 Method for producing semi-IPN composite Kunihiko Komatsuzaki 2020-11-17