RB

Ryuichiro Ban

DC Dwango Co.: 1 patents #30 of 56Top 55%
Overall (All Time): #3,225,934 of 4,157,543Top 80%
1
Patents All Time

Issued Patents All Time

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