RF

Ryutaro Fujihira

SD Showa Denko: 1 patents #8 of 79Top 15%
Overall (1989): #59,887 of 140,708Top 45%
1
Patents 1989

Issued Patents 1989

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4826726 Heat-resistant wire Masahiko Maeda, Yoshihiro Moteki, Naotoshi Watanabe, Yuichi Sakon 1989-05-02