YS

Yojiro Sumi

SO Sony: 3 patents #10,744 of 25,231Top 45%
Overall (All Time): #1,544,066 of 4,157,543Top 40%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
8553516 Reproducing device and optical path length servo control method Takahiro Miura 2013-10-08
8488430 Recording medium and reproducing apparatus Kimihiro Saito, Seiji Kobayashi 2013-07-16
8305866 Pickup apparatus, optical recording and reproduction apparatus, and recording and reproduction method Norihiro Tanabe, Kimihiro Saito, Takahiro Miura, Noriaki Nishi 2012-11-06