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Yasufumi Yamada

NT NTT: 1 patents #53 of 275Top 20%
Overall (2002): #87,811 of 266,432Top 35%
1
Patents 2002

Issued Patents 2002

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
6480639 Optical module Toshikazu Hashimoto, Masahiro Yanagisawa, Kuniharu Kato, Yasuyuki Inoue 2002-11-12