Inventor
TAKASHIMA SHOICHI
JP8 patents
Patents
8 patentsUS5481605AJan 2, 1996
Private branch exchange capable of analyzing information received from ISDN
CANON KK69 citations95
US5267307ANov 30, 1993
Communication apparatus
CANON KK41 citations92
US5138655AAug 11, 1992
Telephone apparatus capable of setting card unit therein
CANON KK28 citations92
US5245651ASep 14, 1993
Communication apparatus for storing abandoned call information
CANON KK34 citations91
US5153908AOct 6, 1992
Automatic redial in a key telephone system having different line types
CANON KK40 citations91
US5703936ADec 30, 1997
Communication apparatus receiving information from portable information medium
CANON KK8 citations73
US5251254AOct 5, 1993
Control of incoming and outgoing calls in a key system
CANON KK14 citations71
US5459778AOct 17, 1995
Telephone exchange apparatus, and method of connecting calls therein
CANON KK2 citations61