30-ps 7.5-GHz GaAs MESFET macrocell array. - Masayuki Ino; Minoru Togashi; Shoji Horiguchi; Masahiro Hirayama; Hideki Kataoka (IEEE J. Solid State Circuits, 1989)

A 15-GHz monolithic two-modulus prescaler. - Yoshiki Yamauchi; Osaake Nakajima; Koichi Nagata; Masahiro Hirayama (IEEE J. Solid State Circuits, 1991)