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Yutaka Yamanaka

NE Nec: 2 patents #77 of 1,039Top 8%
📍 Koganei, JP: #8 of 47 inventorsTop 20%
Overall (2004): #32,839 of 270,089Top 15%
2
Patents 2004

Issued Patents 2004

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
6791927 Optical head having optimum tilt angles — 2004-09-14
6771584 Optical disk, aberration correction method and optical disk apparatus — 2004-08-03