RS

Ryutaro Sakuda

AU Aubex: 2 patents #2 of 14Top 15%
Overall (All Time): #2,337,975 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4761089 Synthetic resin pen nib Norigi Kurihara 1988-08-02
4597932 Method of manufacturing synthetic resin pen nibs Norigi Kurihara 1986-07-01