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ELECTRICITY
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Electric communication
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Patents Grants
last 30 patents
Information
Patent Grant
Communication terminal device
Patent number
5,805,684
Issue date
Sep 8, 1998
Yamaha Corporation
Ryota Hirose
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Information display provided to calling party
Patent number
5,608,788
Issue date
Mar 4, 1997
Lucent Technologies Inc.
William W. Demlow
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Personal communication system having options and notifications
Patent number
5,479,496
Issue date
Dec 26, 1995
Kabushiki Kaisha Toshiba
Takahiro Endo
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Personal communication system answerable by proxy
Patent number
5,467,389
Issue date
Nov 14, 1995
Kabushiki Kaisha Toshiba
Takahiro Endo
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Incoming call transfer terminal
Patent number
5,422,942
Issue date
Jun 6, 1995
Sony Corporation
Isao Kakwashima
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Radio communication apparatus for ISDN
Patent number
5,357,558
Issue date
Oct 18, 1994
Sony Corporation
Munehiro Yoshikawa
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
ISDN terminal, ISDN terminal communication system, and method for c...
Patent number
5,341,377
Issue date
Aug 23, 1994
Ricoh Company, Ltd.
Masahito Ohtani
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Multi-media communication apparatus
Patent number
5,309,434
Issue date
May 3, 1994
Canon Kabushiki Kaisha
Yoshito Maekawa
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Electronic switching system for use in connection to an ISDN and me...
Patent number
5,305,313
Issue date
Apr 19, 1994
Kabushiki Kaisha Toshiba
Hitoshi Katoh
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Communicating apparatus having a calling party number display device
Patent number
5,305,097
Issue date
Apr 19, 1994
Canon Kabushiki Kaisha
Ryoichiro Sato
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Enhanced call-back authentication method and apparatus for remotely...
Patent number
5,280,581
Issue date
Jan 18, 1994
Hughes Aircraft Company
Erwin W. Bathrick
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Communication apparatus for storing abandoned call information
Patent number
5,245,651
Issue date
Sep 14, 1993
Canon Kabushiki Kaisha
Shoichi Takashima
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Communication terminal apparatus and its control method with party...
Patent number
5,220,599
Issue date
Jun 15, 1993
Kabushiki Kaisha Toshiba
Jun Sasano
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Communication terminal apparatus and control method with party iden...
Patent number
5,200,994
Issue date
Apr 6, 1993
Kabushiki Kaisha Toshiba
Jun Sasano
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Communication apparatus connected to ISDN
Patent number
5,101,427
Issue date
Mar 31, 1992
Canon Kabushiki Kaisha
Takashi Kotani
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Semi-automated operator assistance telecommunication calls
Patent number
5,046,183
Issue date
Sep 3, 1991
AT&T Bell Laboratories
Gary L. Dorst
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Time and charges information delivery for operator assistance telec...
Patent number
5,043,983
Issue date
Aug 27, 1991
AT&T Bell Laboratories
Gary L. Dorst
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Call service initialization arrangement
Patent number
5,012,466
Issue date
Apr 30, 1991
AT&T Bell Laboratories
Rolfe E. Buhrke
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Call announcement arrangement
Patent number
5,007,076
Issue date
Apr 9, 1991
AT&T Bell Laboratories
James R. Blakley
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Telephone station set
Patent number
4,922,490
Issue date
May 1, 1990
American Telephone and Telegraph Company
James R. Blakley
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Terminal in communication network for notifying originating party's...
Patent number
4,894,861
Issue date
Jan 16, 1990
Kokusai Denshin Denwa Kabushiki Kaisha
Masanobu Fujioka
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Message signaling arrangement between a switching system and user t...
Patent number
4,741,026
Issue date
Apr 26, 1988
American Telephone and Telegraph Company, AT&T Bell Laboratories
Leslie A. Baxter
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Patents Applications
last 30 patents