Simplified lumped-element rat-race for a mobile receiver. - Iwata Sakagami; Minoru Tahara; Yanna Hao; Yoshihiro Iwata (PIMRC, 2003)

Derivation of two- and three-branch lumped element codirectional couplers and their frequency characteristics. - Iwata Sakagami (ISCAS (5), 2005)

Realization of a Planar Dual-Band Fork Three-Way Power Divider Using an Impedance Scale Factor. - Iwata Sakagami; Minoru Tahara; Xiaolong Wang 010 (IEICE Trans. Electron., 2014)