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Kiyoshi Urui
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Yokohama, JP
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last 30 patents
Information
Patent Grant
Method and apparatus for automatically transmitting a message to a...
Patent number
4,794,639
Issue date
Dec 27, 1988
Kabushiki Kaisha Toshiba
Kiyoshi Urui
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Exchange system including plural terminals for voice and data trans...
Patent number
4,635,253
Issue date
Jan 6, 1987
Kabushiki Kaisha Toshiba
Kiyoshi Urui
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Semiconductor integrated circuit device
Patent number
4,631,686
Issue date
Dec 23, 1986
Kabushiki Kaisha Toshiba
Yasuo Ikawa
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Automatic telephone exchange system for both speech signals and dat...
Patent number
4,330,886
Issue date
May 18, 1982
Tokyo Shibaura Electric Co., Ltd.
Takeo Fukuda
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Interfacing circuit status detection arrangement in a telephone exc...
Patent number
4,297,532
Issue date
Oct 27, 1981
Tokyo Shibaura Denki Kabushiki Kaisha
Takeo Fukuda
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Telephone exchange with time shared speech paths and selectively at...
Patent number
4,276,639
Issue date
Jun 30, 1981
Tokyo Shibaura Denki Kabushiki Kaisha
Takeo Fukuda
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Switching apparatus selectively utilizing a regenerative repeater
Patent number
4,215,251
Issue date
Jul 29, 1980
Tokyo Shibaura Electric Co., Ltd.
Takeo Fukuda
H04 - ELECTRIC COMMUNICATION TECHNIQUE