Hiroaki Shibayama

Portable device with action shortcut function

Multi-address radio display pager

Radio pager with power-backup memory for storing uncompleted messages

Earphone system with operability improved and terminal equipment system with the earphone system

Radio paging receiver

Radio selective calling receiver storing messages based on sending-group names

Radio selective paging receiver provided with an I/O memory card which can be easily upgraded to include new attributes

Selective-calling receiver with battery switching upon CPU stop detection

Paging receiver employing memory banking system

Selective-calling radio receiver