HS

Hisanari Sanda

AK Arakawa Kagaku Kogyo Kabushiki Kaisha: 1 patents #23 of 51Top 50%
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Patent #TitleCo-InventorsDate
4296012 Sizing compositions incorporating ketene dimer Toshiharu Okumichi, Osamu Oseto, Keizo Matsumoto, Shigenori Thuzimoto 1981-10-20