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USPTO Patent Rankings Data through Sept 30, 2025
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Tooru Morikawa — 2 Patents

Sony: 2 patents #12,963 of 25,231Top 55%
Overall (All Time): #2,084,258 of 4,157,543Top 55%
2 Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
8098268 Thermal head and printing device Izumi Kariya, Noboru Koyama, Mitsuo Yanase 2012-01-17
7843476 Thermal head and printer Izumi Kariya, Noboru Koyama, Mitsuo Yanase 2010-11-30