RH

Rikki Homma

IC Idemitsu Kosan Co.: 1 patents #56 of 164Top 35%
Overall (2022): #288,263 of 548,613Top 55%
1
Patents 2022

Issued Patents 2022

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
11479737 Water-soluble quenching oil composition Katsumi Ichitani 2022-10-25