Inventor
TOMIHARA HIROYUKI
JP3 patents
Patents
3 patentsUS6697647B2Feb 24, 2004
Cellular mobile telephone apparatus and an alarm device therefor
HITACHI LTD22 citations90
US6377823B1Apr 23, 2002
Cellular mobile telephone apparatus and an alarm device therefor
HITACHI LTD33 citations90
US6032058AFeb 29, 2000
Cellular mobile telephone apparatus and an alarm device therefor
HITACHI LTD13 citations71