YT

Yayi TSENG

DI Dic: 1 patents #14 of 102Top 15%
Overall (2025): #165,859 of 469,880Top 40%
1
Patents 2025

Issued Patents 2025

Patent #TitleCo-InventorsDate
12410316 Urethane resin composition and leather sheet Ryo Maeda 2025-09-09