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Shizuko Shirasuna

KC Kyowa Hakko Kogyo Co.: 1 patents #549 of 943Top 60%
Overall (All Time): #3,933,110 of 4,157,543Top 95%
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Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4849354 Process for producing menaquinone-4 Kenichiro Takayama, Yukoh Arai, Susumu Tomohiro 1989-07-18