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Yutaka Yamanaka

NE Nec: 2 patents #192 of 1,934Top 10%
📍 Koganei, JP: #9 of 48 inventorsTop 20%
Overall (2002): #33,489 of 266,432Top 15%
2
Patents 2002

Issued Patents 2002

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
6424436 Holographic element 2002-07-23
6414804 Converging optical system for laser beam source 2002-07-02