KH

Kiyosi Hirasawa

ML Mitsubishi Pencil Company, Limited: 1 patents #181 of 302Top 60%
📍 Fujioka, JP: #53 of 89 inventorsTop 60%
Overall (All Time): #4,048,859 of 4,157,543Top 100%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4374225 Method of fabricating an eraser Takamasa Kawakubo 1983-02-15