NM

Nobuyuki Murakami

PK Pentel Kabushiki Kaisha: 1 patents #2 of 14Top 15%
Overall (1982): #40,667 of 81,411Top 50%
1
Patents 1982

Issued Patents 1982

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4357431 Ball-point pen ink composition erasable by rubber eraser Hiroshi Miyashita 1982-11-02