SN

Seiji Noguchi

PK Pentel Kabushiki Kaisha: 1 patents #2 of 14Top 15%
Overall (1982): #31,703 of 81,411Top 40%
1
Patents 1982

Issued Patents 1982

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4355915 Ball-point pen tip Shigeru Kaji 1982-10-26