RK

Ryuuji Kajihara

NE Nec: 4 patents #3,388 of 14,502Top 25%
Overall (All Time): #1,289,035 of 4,157,543Top 35%
4
Patents All Time

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
5666092 Bandpass filter having at least two saw resonator filters coupled in parallel Yasushi Yamamoto 1997-09-09
5561408 Saw resonator bandpass filter with asymetric apodized transducers to suppress a spurious response Yasushi Yamamoto 1996-10-01
5559483 Two-port triple-mode saw resonators parallel connected into a saw filter on a substrate Yasushi Yamamoto 1996-09-24
5392013 Surface acoustic wave filter capable of widening a bandwidth Yasushi Yamamoto 1995-02-21