JO

Joji Oka

NS Nippon Steel: 1 patents #18 of 156Top 15%
SC Sakai Chemical Industry Co.: 1 patents #1 of 4Top 25%
Overall (1982): #51,893 of 81,411Top 65%
1
Patents 1982

Issued Patents 1982

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4352899 Coating composition for metal-substrate Fusao Tada, Takeshi Itoh, Akira Okamoto 1982-10-05