Inventor
FUNATO YASUO
JP4 patents
Patents
4 patentsUS4893331AJan 9, 1990
System allowing selective connection of various types of external apparatuses to telephone set
TOSHIBA KK24 citations91
US6570976B2May 27, 2003
Multimedia private branch exchanger and private branch exchange system
TOSHIBA KK37 citations90
US7251253B2Jul 31, 2007
Audio packet communications system, network telephone terminal and special packet process method
TOSHIBA KK4 citations60
US6876732B2Apr 5, 2005
Service providing method for electronic device, customer center, and user system
TOSHIBA KK5 citations60