SY

Seiichi Yamawaki

NE Nec: 1 patents #7,889 of 14,502Top 55%
Overall (All Time): #3,976,681 of 4,157,543Top 100%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4673905 Corrugated elliptical waveguide or horn Tomoki Obuchi, Noboru Toyama, Kazuyoshi Shogen 1987-06-16