MT

Masahiko Tsukuda

Sumitomo Electric Industries: 1 patents #1,470 of 4,178Top 40%
Overall (2004): #157,496 of 270,089Top 60%
1
Patents 2004

Issued Patents 2004

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
6700862 Optical disc and manufacturing method for the same Shinya Abe, Shuji Sato 2004-03-02