SM

Syoji Matsuda

HO Hoya: 1 patents #20 of 80Top 25%
Overall (2002): #110,155 of 266,432Top 45%
1
Patents 2002

Issued Patents 2002

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
6383404 Glass substrate for magnetic recording medium, magnetic recording medium, and method of manufacturing the same Hiroyuki Sakai, Katsutoshi Ono 2002-05-07