IS

Itsuo Sakai

AK Arakawa Kagaku Kogyo Kabushiki Kaisha: 1 patents #23 of 51Top 50%
Overall (All Time): #3,858,807 of 4,157,543Top 95%
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Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5145522 Ketene dimer sizing agent for paper making Hiroshi Nakagawa, Atsushi Ikeda, Nobuyuki Tani 1992-09-08