Company Filing History:

5 out of 58,129

Sony Corporation

where one patent can have more than one assignee

Years Active: 1996-1999

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5 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 5960363 - Tone generating apparatus for a cellular telephone to simulate tones (1999-09-28),

2. 5794139 - Automatic generation of private authentication key for wireless (1998-08-11),

3. 5583965 - Methods and apparatus for training and operating voice recognition (1996-12-10),

4. 5524135 - Method and apparatus for secure downloading of operational information (1996-06-04),

5. 5513245 - Automatic generation of private authentication key for wireless (1996-04-30),

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For the Inventor, By the Inventor

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Location History:

Company Filing History:

Years Active: 1996-1999