NK

Naohiro Katou

ML Mitsubishi Pencil Company, Limited: 1 patents #4 of 23Top 20%
📍 Daito, JP: #6 of 29 inventorsTop 25%
Overall (2020): #334,931 of 565,922Top 60%
1
Patents 2020

Issued Patents 2020

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
10569596 Writing tool refill and writing tool using same Takayuki Ikai, Seiichi Takigawa, Takanori Shindou 2020-02-25