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USPTO Patent Rankings Data through Sept 30, 2025
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Ryuichiro Ban

DCDwango Co.: 1 patents #30 of 56Top 55%
Funabashi, JP: #699 of 1,104 inventorsTop 65%
Overall (All Time): #3,225,934 of 4,157,543Top 80%
1 Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
8285863 Access control device, access control method, and access control program Nobuo Kawakami, Akihiko Koizuka 2012-10-09