RK

Ryuuichi Kashima

HO Hoya: 1 patents #757 of 1,290Top 60%
H( Hoya Glass Disk (Thailand): 1 patents #8 of 14Top 60%
📍 Shinjuku, JP: #174 of 337 inventorsTop 55%
Overall (All Time): #3,089,900 of 4,157,543Top 75%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
8640497 Method of manufacturing glass substrate for magnetic disk and system for manufacturing glass substrate for magnetic disk Hideki Isono, Shinji Eda, Tomotaka Yokoyama, Tadashi Tomonaga, Kraisorn Phandon +1 more 2014-02-04