RS

Ryuji Sakaguchi

SD Showa Denko: 1 patents #12 of 74Top 20%
📍 Ooita, JP: #11 of 41 inventorsTop 30%
Overall (2004): #122,377 of 270,089Top 50%
1
Patents 2004

Issued Patents 2004

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
6821653 Magnetic recording medium, process for producing the same, and magnetic recording and reproducing apparatus Masato Fukushima, Yukihisa Matsumura 2004-11-23