RT

Ryuichi Takasawa

IC Idemitsu Kosan Co.: 1 patents #699 of 1,237Top 60%
Overall (All Time): #3,984,505 of 4,157,543Top 100%
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Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4703104 Preparation of cyanoaryl ether copolymer Shigeru Matsuo, Tomoyoshi Murakami 1987-10-27