"T. Tomura,D. Kim,M. Wakasa,Y. Sunaguchi,J. Hirokawa,K. Nishimori","A 20-GHz-band 64�~64 hollow waveguide two-dimensional Butler matrix",,"IEEE Access",,"vol. 7",,"pp. 164080-164088",2019,Nov.
"Masahiro Wakasa,Dong-Hun Kim,Takashi Tomura,Jiro Hirokawa","Wideband design of a short-slot 2-plane coupler by the mode matching/FEM hybrid analysis considering the structural symmetry",,"IEICE TRANSACTIONS on Communications","Institute of Electronics, Information and Communication Engineers","vol. E102-B","no. 5","pp. 1019-1026",2019,May
"Masahiro Wakasa,Dong-Hum Kim,Takashi Tomura,JIRO HIROKAWA","Mode Matching/FEM Hybrid Analysis for a Short-Slot 2-Plane Coupler Considering the Structural Symmetry","International Symposium on Antennas and Propagation",,,,,,2017,Oct.