AS

Akeo Sawayama

OC Oji Paper Co.: 1 patents #173 of 423Top 45%
Overall (All Time): #3,918,432 of 4,157,543Top 95%
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Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4795676 Electrostatic recording material Toshio Maekawa, Hiroshige Yamauchi, Takashi Toyota, Masaaki Yamanaka 1989-01-03