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Yoichiro Yamaguchi

Sumitomo Electric Industries: 1 patents #1,470 of 4,178Top 40%
Overall (2004): #81,060 of 270,089Top 35%
1
Patents 2004

Issued Patents 2004

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
6808316 Optical communication module Hiromi Nakanishi, Yoshiki Kuhara, Takeshi Okada, Takeshi Fujimoto 2004-10-26