TH

Toshiro Henmi

PK Pentel Kabushiki Kaisha: 1 patents #76 of 170Top 45%
Overall (All Time): #3,473,010 of 4,157,543Top 85%
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Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
6705789 Mechanical pencil Shigeki Maruyama, Tsukasa Sasaki 2004-03-16