KU

Keiichi Umezu

NE Nec: 2 patents #67 of 1,182Top 6%
Overall (1997): #33,232 of 185,788Top 20%
2
Patents 1997

Issued Patents 1997

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
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