YK

Yoshihito KOYAMA

IC Idemitsu Kosan Co.: 2 patents #31 of 164Top 20%
Overall (2022): #94,662 of 548,613Top 20%
2
Patents 2022

Issued Patents 2022

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
11518886 Modified lignin, modified polyphenol manufacturing method, and modified lignin-including resin composition material Hironori Tashiro 2022-12-06
11505655 Modified lignin manufacturing method, modified lignin, and modified lignin-including resin composition material Hironori Tashiro 2022-11-22