SO

Sadahiro Ohyama

MC Mitsumi Electric Co.: 1 patents #1 of 4Top 25%
Overall (1989): #59,116 of 140,708Top 45%
1
Patents 1989

Issued Patents 1989

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4851935 Drum assembly for a magnetic recording and reproducing apparatus Yoshiaki Morita, Yoshiaki Ueno, Kazuhiro Tazawa 1989-07-25