YK

Yukichira Kawakami

KK Kureha Kagaku Kogyo K.K.: 1 patents #68 of 125Top 55%
Overall (All Time): #3,734,600 of 4,157,543Top 90%
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Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5484876 Production process for aromatic thioether ketone/thioether sulfone copolymers Zenya Shiiki 1996-01-16