MS

Masaki Shigemori

PK Pentel Kabushiki Kaisha: 1 patents #76 of 170Top 45%
Overall (All Time): #3,432,559 of 4,157,543Top 85%
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Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
7128487 Mechanical pencil Shigeki Maruyama, Hidetoshi Kodama 2006-10-31