YA

Yukoh Arai

KC Kyowa Hakko Kogyo Co.: 1 patents #549 of 943Top 60%
📍 Susono, JP: #918 of 1,238 inventorsTop 75%
Overall (All Time): #3,933,111 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, Susumu Tomohiro, Shizuko Shirasuna 1989-07-18