YH

Yumiko Haruhara

ML Mitsubishi Pencil Company, Limited: 2 patents #1 of 32Top 4%
Overall (2023): #91,420 of 537,848Top 20%
2
Patents 2023

Issued Patents 2023

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
11795336 Oil-based ink composition for writing implements 2023-10-24
11649363 Oil-based ink composition for writing instrument 2023-05-16