AM

Akira Matsubara

Sumitomo Electric Industries: 1 patents #1,470 of 4,178Top 40%
Overall (2004): #266,021 of 270,089Top 100%
1
Patents 2004

Issued Patents 2004

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
6721246 Optical disk apparatus having compensation for objective lens dislocation Yasuhito Soma, Kazuhiko Kouno 2004-04-13