Inventor
ARAKI YUMIKO
JP3 patents
Patents
3 patentsUS7321767B2Jan 22, 2008
Switching system connecting a radio communication terminal via a LAN line to a public switched network or a leased line
OKI ELECTRIC IND CO LTD9 citations75
US7672296B2Mar 2, 2010
Real-time communications system of high communications quality and media terminal apparatus
OKI ELECTRIC IND CO LTD4 citations59
US7573989B2Aug 11, 2009
Telephone communications apparatus
OKI ELECTRIC IND CO LTD0 citations38