NO
Type
Patent NO
Date of Registration
Title
1 P
a
t
e
n
t

212434
99.05.10
   Band Pass Filter
2 261039
00.04.15
   Directional Coupler With High Directivity
3 270028
00.07.27
   Dielectric Resonator
4 313717
01.10.23
   Band Pass Filter of Dielectric Resonator Type With Symmetric
   Attenuation Poles
5 313718
01.10.23
   Microwave of Dielectric Resonator Type With Strong Attenuation
6 354850
02.09.17
   Band Pass Filter Using Small Ceramic Resonator
7 360895
02.10.30
  Transmission Coupling System and Signal Cancelling Using
   Circulator
8 360896
02.10.30
   Power Splitter With Adjustable Division
9 368035
02.12.31   Small Ceramic Resonator for Easier Coupling
10 379101
03.03.25
   Microwave Device of Dielectric Resonator Type With
   Outstanding Attenuation
11 401124
03.09.26
   High Temperature Superconductor Low Pass Filter to
   Cancel Broadband High Frequency
12 10-2007-32361
08.10.22
   Band Pass Filter Using Resonator With Parallel Capacitor
  Combination
13 New Design
229889
01.04.27
  Dielectric Supporting Structure in Dielectric Resonator
14 235909
01.06.14
  Drain Trapping Device of Casing With Communication Module
 
 
Country
Type
Patent NO
Title
Japan
Patent
3477157
 Band Pass filter of Dielectric Resonator Type Having
Symmetriccally Upper And Lower Notch Points
Japan Patent
34743084
Symmetric Ceramic Resonator And Band Pass Filter
Using The Same
United States
Patent
6567648B1
System for Combinning Radio Freqency Transmitter And
Receiver Using Circulator And Method For Canceling
Transmission Signal Thereof