RK

Ryuichi Katayama

NE Nec: 2 patents #67 of 1,182Top 6%
Overall (1997): #25,154 of 185,788Top 15%
2
Patents 1997

Issued Patents 1997

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
5696750 Optical head apparatus for different types of disks — 1997-12-09
5600614 Optical head system having super resolution element — 1997-02-04