YH

Yumi Midorikawa, heir

KK Kureha Kagaku Kogyo: 1 patents #332 of 607Top 55%
Overall (All Time): #4,092,816 of 4,157,543Top 100%
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Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4277573 Vinyl chloride resin and alkyl methacrylate resin processing aid composition Yo Iizuka, Susumu Midorikawa, deceased, Kiyoshi Midorikawa 1981-07-07