SS

Shungo Sekiguchi

PK Pentel Kabushiki Kaisha: 3 patents #24 of 170Top 15%
Overall (All Time): #1,661,262 of 4,157,543Top 40%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
D329253 Correction pen 1992-09-08
D325931 Writing instrument 1992-05-05
D308396 Writing instrument 1990-06-05