Upper and Lower Bounds on Maximum Nonlinearity of n-input m-output Boolean Function. - Tadashi Wadayama; Toru Hada; Koichiro Wakasugi; Masao Kasahara (Des. Codes Cryptogr., 2001)

Two dimensional curved surface distributed configuration of array antenna for CDMA base stations. - Yoshihiko Takeuchi; Hirohisa Hirayama; Toru Hada; Koji Fukino (MWCN, 2002)