KA

Katsuji Arisawa

PK Pentel Kabushiki Kaisha: 1 patents #2 of 9Top 25%
Overall (2023): #376,255 of 537,848Top 70%
1
Patents 2023

Issued Patents 2023

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
11613663 Ink composition, writing tool and method for producing ink composition Yoshitaka Morimoto, Hirohisa Suzuki, Hiroyuki Saitou 2023-03-28