PCM-FDM: System Capability and Performance Improvement on Waveform Equalization and Synchronization. - Shoji Hagiwara; Shigehiko Hinoshita; Masao Kawashima (IEEE Trans. Commun., 1974)

400 Mbit/s Digital Repeater Circuitry Provided by a New Design Method and Beam Lead GHz Transistors. - Masao Kawashima; Isao Fudemoto; Yukou Mochida; Takao Uyehara (IEEE Trans. Commun., 1977)

High Capacity Multi-Purpose LAN Using Synchronous Fiber Optic Ring. - Masao Kawashima; Yukou Mochida; Reigo Yatsuboshi (ICC (1), 1984)

Guest Editorial. - Maurice G. Bellanger; Edmond Y. Ho; Masao Kawashima; Peter J. McLane (IEEE J. Sel. Areas Commun., 1986)