YH

Youichi Hironaka

TL Teijin Chemicals Limited: 1 patents #80 of 196Top 45%
Overall (All Time): #3,875,917 of 4,157,543Top 95%
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Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5013776 Flame-retardant polycarbonate resin composition Kouji Ishihata, Hisanaga Shimizu, Kazuo Kitamura, Takeshi Imagawa 1991-05-07