New Technique for Generating and Detecting Multilevel Signal Formats. - Kazuhiro Miyauchi; Seizo Seki; Hideki Ishio (IEEE Trans. Commun., 1976)

Viabilities of the Wavelength-Division-Multiplexing Transmission System Over an Optical Fiber Cable. - Tetsuya Miki; Hideki Ishio (IEEE Trans. Commun., 1978)

Japanese Field Trails and Applications in Telephony. - Hideki Ishio (IEEE J. Sel. Areas Commun., 1983)