YT

Yu Chen Tung

YK Ykk: 2 patents #6 of 98Top 7%
Overall (2021): #93,652 of 548,734Top 20%
2
Patents 2021

Issued Patents 2021

Patent #TitleCo-InventorsDate
11206901 Slide fastener-attached product, element member and manufacturing method of slide fastener-attached product Yoshiyuki Sho 2021-12-28
11202487 Slide fastener Jiro Nozaki, Shigeyoshi Takazawa, Yoshinori Kojima, Shigeki Annaka 2021-12-21