SM

Seiichi Maruyama

ML Mitsubishi Pencil Company, Limited: 1 patents #7 of 32Top 25%
Overall (2023): #261,518 of 537,848Top 50%
1
Patents 2023

Issued Patents 2023

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
11654711 Writing tool provided with refill Takayuki Ikai, Kiyoshi Iwamoto 2023-05-23