SY

Shigeo Yamaguchi

SO Sony: 1 patents #618 of 2,039Top 35%
Overall (2005): #100,999 of 245,428Top 45%
1
Patents 2005

Issued Patents 2005

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
6906990 Phase-change optical disk and optical disk apparatus Masayoshi Nagata, Takayoshi Chiba, Yasuo Tone, Junichi Horigome 2005-06-14