YI

Yoshikazu Iijima

MC Maruzen Petrochemical Co.: 3 patents #44 of 174Top 30%
Overall (All Time): #1,400,870 of 4,157,543Top 35%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
11773200 Method for producing hydrogenated petroleum resin Takahiro KAWATE 2023-10-03
11485803 Method for deodorizing hydrogenated petroleum resin, and method for producing hydrogenated petroleum resin Tomoki Hayashi, Keisuke MATSUSHITA 2022-11-01
9994650 Method for producing hydrogenated petroleum resin Koichiro Kanai, Yasunori Hayashi, Takeshi Haruna 2018-06-12