TS

Tadaaki Sugino

PK Pentel Kabushiki Kaisha: 1 patents #76 of 170Top 45%
Overall (All Time): #4,088,183 of 4,157,543Top 100%
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Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4263592 Input pen assembly Hiromichi Takahashi 1981-04-21