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Yasuhiro Seya

PCPolymatech Co.: 1 patents #43 of 84Top 55%
Overall (All Time): #3,418,463 of 4,157,543Top 85%
1 Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
7053885 Multi-directional input key and key input device — 2006-05-30

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