Kazuya Hashimoto

Portable radio transceiver system having improved adaptor and/or improved receiver signal control arrangement

Mobile telephone with function to prevent illegal use and method and system for preventing illegal use of mobile telephone using the function

Telephone having a speech ban limiting function

Receiver for a cellular mobile radio communication system

Arrangement for compensating for temperature dependent performance characteristics of surface acoustic wave filter

METHOD OF MANUFACTURING Ge-Sb-Te SPUTTERING TARGET MATERIAL

Burst control circuit for use in tdma communications system

METHOD OF PRODUCING Ge-Sb-Te SPUTTERING TARGET MATERIAL

Digital mobile radio communication apparatus

Steel for high-temperature carburization superior in grain-coarsening resistance, manufacturing method therefor, formed article for high-temperature carburization, and carburizing and quenching method therefor