Tandy Electronics Japan, Ltd.

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Tokyo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Automatic telephone answering machine with ring signal responsive m...
- Patent number 5,063,589
- Issue date Nov 5, 1991
- Tandy Electronics Japan, Ltd.
- Masayuki Tsushima
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Recorder control apparatus for automatic telephone answering system
- Patent number 5,010,567
- Issue date Apr 23, 1991
- Tandy Electronics Japan Ltd.
- Masayuki Tsushima
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Tape change mechanism for cassette apparatus
- Patent number 4,979,060
- Issue date Dec 18, 1990
- Tandy Electronic Japan, Ltd.
- Takashi Tanigawa
- G11 - INFORMATION STORAGE
Information Patent Grant
Voltage-sensitive telephone line monitor
- Patent number 4,802,207
- Issue date Jan 31, 1989
- Tandy Electronics Japan, Ltd.
- Kazuyuki Uchida
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Index device for automatic information retrieval
- Patent number 4,800,584
- Issue date Jan 24, 1989
- Tandy Electronics Japan, Ltd.
- Ryoji Kitanishi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE