Title:
The telephone system which has a round monitoring facility
Document Type and Number:
Japanese Patent JP6183218
Kind Code:
B2
Inventors:
Ryoichi Ojima
Application Number:
JP2014003047A
Publication Date:
August 23, 2017
Filing Date:
January 10, 2014
Export Citation:
Assignee:
Nakayo Co., Ltd.
International Classes:
H04M9/00; A61G12/00; H04Q3/58
Domestic Patent References:
JP2010075376A | ||||
JP2013192900A | ||||
JP2007037054A | ||||
JP2006129229A | ||||
JP2010081074A | ||||
JP2013074444A | ||||
JP2003143592A | ||||
JP7168991A |