RK

Ryuichi Kashima

HO Hoya: 1 patents #40 of 106Top 40%
Overall (2017): #257,545 of 506,227Top 55%
1
Patents 2017

Issued Patents 2017

Patent #TitleCo-InventorsDate
9697862 Disk-shaped glass substrate, magnetic-disk glass substrate, method for manufacturing magnetic-disk glass substrate, and magnetic disk — 2017-07-04