RN

Ryoichi Noumi

NC Nippon Oil & Fats Co.: 1 patents #13 of 65Top 20%
SI Sumitomo Metal Industries: 1 patents #16 of 89Top 20%
Overall (1989): #59,768 of 140,708Top 45%
1
Patents 1989

Issued Patents 1989

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4826902 Coating composition with improved rust-preventing properties for use in preparing lubricated steel products Hiroki Hanabata, Hideo Kawaguchi, Hiroshi Fukudome, Hiromi Izaiku, Koichi Komai +1 more 1989-05-02