Shigeo Yoshizawa

A method of erasing data stored in a pager

Mafumi Miyashita, Shigeo Yoshizawa, 1991 .

Compact size numeric display pager with new receiving system

Mitsuru Kuroda, Koji Yamasaki, Shigeo Yoshizawa, 1992 .

Method for reducing the energy consumption in battery-operated radio pagers

Shigeo Yoshizawa, Kuniaki Koga, 1993 .