YO

Yuka Oba

TQ Tosoh Quartz: 1 patents #9 of 29Top 35%
📍 Yamagata, JP: #267 of 482 inventorsTop 60%
Overall (All Time): #2,501,453 of 4,157,543Top 65%
1
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Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
11993538 Opaque quartz glass and a method for producing the same Takashi Taniguchi, Chiemi ITO, Takaya Suzuki 2024-05-28