SO

Shigeo Oka

PK Pentel Kabushiki Kaisha: 1 patents #2 of 14Top 15%
Overall (1982): #7,764 of 81,411Top 10%
2
Patents 1982

Issued Patents 1982

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
D266856 Pen cap or similar article 1982-11-09
D263318 Pen or similar article 1982-03-09