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Yasuhiko Yamamoto

Sumitomo Electric Industries: 1 patents #1,140 of 3,352Top 35%
Overall (2002): #87,802 of 266,432Top 35%
1
Patents 2002

Issued Patents 2002

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
6373124 Lead frame and method of producing the same, and a semiconductor device using the same Yuji Kato, Koji Hidaka 2002-04-16