MN

Masayuki Nakai

IC Idemitsu Kosan Co.: 1 patents #13 of 55Top 25%
Overall (1989): #79,764 of 140,708Top 60%
1
Patents 1989

Issued Patents 1989

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4849021 Process for producting coal fillers Kenji Uesugi, Katsumi Tomura 1989-07-18