TW

Tsutomu Washida

KC Kokusai Denshin Denwa Co.: 1 patents #219 of 382Top 60%
NE Nec: 1 patents #7,889 of 14,502Top 55%
Overall (All Time): #4,007,692 of 4,157,543Top 100%
1
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Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4633046 Adaptive echo canceller Seishi Kitayama, Yuzo Fukushi, Yoshinori Ito 1986-12-30