RT

Rikizo Tabe

SO Sony: 1 patents #17,262 of 25,231Top 70%
Overall (All Time): #3,779,024 of 4,157,543Top 95%
1
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
5446879 Disc changing apparatus with error logging Takeshi Yamamoto, Tamiya Tanaka, Hirotaka Yamamoto 1995-08-29