KO

Katsuji Ohshita

TC The Sailor Pen Co.: 1 patents #8 of 26Top 35%
📍 Kure, JP: #448 of 736 inventorsTop 65%
Overall (All Time): #3,916,968 of 4,157,543Top 95%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4976560 Mechanical pencil with a plastic chuck — 1990-12-11