YD

Yuji Takatuka, deceased

KO Kasei Optonix: 1 patents #58 of 142Top 45%
Overall (All Time): #3,861,645 of 4,157,543Top 95%
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Patent #TitleCo-InventorsDate
5156764 Phosphor Hideaki Kaneda, Takashi Hase 1992-10-20