RH

Ryoji Hirakata

IC Iwatsu Electric Co.: 1 patents #87 of 212Top 45%
Overall (All Time): #3,791,480 of 4,157,543Top 95%
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Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5289206 Recording paper feeding portion in an XY plotter Tadao Ishikawa, Nazuhiko Sanda, Kiyokatsu Sugiyama 1994-02-22