RA

Ryuichi Asano

SO Sony: 2 patents #12,963 of 25,231Top 55%
Overall (All Time): #2,130,668 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
7474484 Reproducing apparatus and method, and recording apparatus and method Shingo Nakagawa, Kaoru Motohashi, Yoshiaki Kayukawa, Satoshi Yutani 2009-01-06
5572491 Magneto-optical recording device capable of recording two magneto-optical discs Haruyuki Karibe 1996-11-05