KU

Keiichi Umezu

NE Nec: 3 patents #4,195 of 14,502Top 30%
Overall (All Time): #1,637,053 of 4,157,543Top 40%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
5708401 Waveguide coaxial converter including susceptance matching means 1998-01-13
5670918 Waveguide matching circuit having both capacitive susceptance regulating means and inductive materials 1997-09-23
5668513 Hermetically sealed structure for junction of two waveguides 1997-09-16