YS

Yoshiki Saitoh

OC Oji Paper Co.: 1 patents #173 of 423Top 45%
Overall (All Time): #3,852,411 of 4,157,543Top 95%
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Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5120521 Method of producing colored precipitated calcium carbonate Osamu Ebinuma, Takashi Sakaguchi, Akira Yokoi 1992-06-09