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Tosinobu Yokoyama

Sumitomo Electric Industries: 1 patents #13,249 of 21,551Top 65%
Overall (All Time): #3,448,136 of 4,157,543Top 85%
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Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
6890237 Shadow mask assembly manufacturing method and cathode ray tube manufacturing method Naomi Nishiki, Yuji Uesugi, Kiyotaka Ihara, Ayumu Takakuwa, Kiyohito Miwa +1 more 2005-05-10