20, 30 GHz Band Cassegrain Earth Station Antenna for the Japanese Domestic Satellite Communication System. - Tadashi Takano; Eiichi Ogawa; Masaaki Shinji; Noriaki Ishida (IEEE Trans. Commun., 1979)

Offset Cassegrain Earth Station Antenna for the Japanese Domestic Satellite Communication System. - Tadashi Takano; Eiichi Ogawa; Toshikazu Hori; Masaaki Shinji (IEEE Trans. Commun., 1980)

Propagation Path Visibility Estimation for Radio Local Distribution Systems in Built-Up Areas. - Eiichi Ogawa; Akio Satoh (IEEE Trans. Commun., 1986)