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Kanagawa, JP
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last 30 patents
Information
Patent Grant
CDMA mobile terminal apparatus
Patent number
6,556,834
Issue date
Apr 29, 2003
Kabushiki Kaisha Toshiba
Shigeyuki Kobayashi
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Mobile radio communication system and fixed and mobile units used t...
Patent number
6,122,515
Issue date
Sep 19, 2000
Kabushiki Kaisha Toshiba
Koichi Ito
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Radio telephone and independently controlled booster
Patent number
5,995,813
Issue date
Nov 30, 1999
Kabushiki Kaisha Toshiba
Akira Ishikura
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Adapter unit for adaptively supplying a portable radio telephone wi...
Patent number
5,584,055
Issue date
Dec 10, 1996
Kabushiki Kaisha Toshiba
Kuniyoshi Murui
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Hands-free circuitry providing audio signal adjustment based on spe...
Patent number
5,535,433
Issue date
Jul 9, 1996
Kabushiki Kaisha Toshiba
Osamu Kurokawa
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Mobile radio telephone apparatus
Patent number
5,444,306
Issue date
Aug 22, 1995
Kabushiki Kaisha Toshiba
Buntaro Sawa
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Adapter unit for adaptively supplying a portable radio telephone wi...
Patent number
5,444,867
Issue date
Aug 22, 1995
Kabushiki Kaisha Toshiba
Kuniyoshi Marui
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Radio telecommunication apparatus
Patent number
5,437,053
Issue date
Jul 25, 1995
Kabushiki Kaisha Toshiba
Buntaro Sawa
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Telephone with hands-free operation
Patent number
5,398,281
Issue date
Mar 14, 1995
Kabushiki Kaisha Toshiba
Osamu Kurokawa
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Portable radio telephone used with an adaptor unit having a hand-fr...
Patent number
5,367,556
Issue date
Nov 22, 1994
Kabushiki Kaisha Toshiba
Kuniyoshi Marui
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Radio telephone apparatus
Patent number
5,054,115
Issue date
Oct 1, 1991
Kabushiki Kaisha Toshiba
Buntaro Sawa
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Automatic control circuitry for a signal power amplifier
Patent number
4,754,231
Issue date
Jun 28, 1988
Kabushiki Kaisha Toshiba
Buntaro Sawa
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Plural phase lock loop signal regeneration circuit
Patent number
4,500,851
Issue date
Feb 19, 1985
Tokyo Shibaura Denki Kabushiki Kaisha
Buntaro Sawa
H03 - BASIC ELECTRONIC CIRCUITRY