Development of a TDM/FDM Transmultiplexer. - Fumio Takahata; Yasuo Hirata; Akira Ogawa; Kazunori Inagaki (IEEE Trans. Commun., 1978)

A Digital 60 Channel Transmultiplexer: Algorithm Minimizing Multiplication Rate and Hardware Implementation. - Fumio Takahata; Kazunori Inagaki; Yasuo Hirata; Akira Ogawa (IEEE Trans. Commun., 1982)

International Connection of Plesiochronous Networks via TDMA Satellite Link. - Kazunori Inagaki; Yasuo Hirata; Fumio Takahata; Akira Ogawa; Kunihiko Niwa (IEEE J. Sel. Areas Commun., 1983)