YY

Yoshio Yamashima

OC Oki Electric Industry Co.: 1 patents #57 of 237Top 25%
Overall (1989): #33,512 of 140,708Top 25%
1
Patents 1989

Issued Patents 1989

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4826943 Negative resist material Toshio Ito, Miwa Sakata 1989-05-02