YM

Yushi Miyashita

PK Pentel Kabushiki Kaisha: 1 patents #76 of 170Top 45%
📍 Koshigaya, JP: #130 of 242 inventorsTop 55%
Overall (All Time): #4,025,882 of 4,157,543Top 100%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4557618 Ink and eraser of the ink Masahiro Iwata, Yuichi Taka 1985-12-10