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Setsuo Kimura
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Yokohama-shi, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Digital key telephone system and extension terminal device thereof
Patent number
6,633,631
Issue date
Oct 14, 2003
Kabushiki Kaisha Toshiba
Toshiaki Tanaka
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Digital key telephone system and extension terminal device thereof
Patent number
6,496,576
Issue date
Dec 17, 2002
Kabushiki Kaisha Toshiba
Toshiaki Tanaka
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Digital key telephone system and extension terminal device thereof
Patent number
6,456,705
Issue date
Sep 24, 2002
Kabushiki Kaisha Toshiba
Toshiaki Tanaka
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Digital key telephone system and extension terminal device thereof
Patent number
6,408,060
Issue date
Jun 18, 2002
Kabushiki Kaisha Toshiba
Toshiaki Tanaka
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Digital key telephone system and extension terminal device thereof
Patent number
6,377,671
Issue date
Apr 23, 2002
Kabushiki Kaisha Toshiba
Toshiaki Tanaka
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Digital key telephone system and extension terminal device thereof
Patent number
6,373,924
Issue date
Apr 16, 2002
Kabushiki Kaisha Toshiba
Toshiaki Tanaka
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Digital button telephone system and extension terminal for the same
Patent number
6,263,061
Issue date
Jul 17, 2001
Kabushiki Kaish Toshiba
Toshiaki Tanaka
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Telephone line interface circuit
Patent number
5,105,461
Issue date
Apr 14, 1992
Kabushiki Kaisha Toshiba
Masayuki Tsurusaki
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Patents Applications
last 30 patents
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Patent Application
VIEWING PROGRAM IDENTIFICATION SYSTEM, METHOD, AND PROGRAM
Publication number
20150089527
Publication date
Mar 26, 2015
Hiroyuki Matsuyama
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
Digital key telephone system and extension terminal device thereof
Publication number
20010028708
Publication date
Oct 11, 2001
Kabushiki Kaisha Toshiba
Toshiaki Tanaka
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Digital key telephone system and extension terminal device thereof
Publication number
20010026611
Publication date
Oct 4, 2001
Kabushiki Kaisha Toshiba
Toshiaki Tanaka
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Digital key telephone system and extension terminal device thereof
Publication number
20010024493
Publication date
Sep 27, 2001
Kabushiki Kaisha Toshiba
Toshiaki Tanaka
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Digital key telephone system and extension terminal device thereof
Publication number
20010024494
Publication date
Sep 27, 2001
Kabushiki Kaisha Toshiba
Toshiaki Tanaka
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Digital key telephone system and extension terminal device thereof
Publication number
20010024492
Publication date
Sep 27, 2001
Toshiaki Tanaka
H04 - ELECTRIC COMMUNICATION TECHNIQUE