VTECH ELECTRONICS, LTD.
Patent Owner
Stats
- 46 US PATENTS IN FORCE
- 0 US APPLICATIONS PENDING
- Jun 13, 2017 most recent publication
Details
- 46 Issued Patents
- 0 Issued in last 3 years
- 0 Published in last 3 years
- 766 Total Citation Count
- Jan 28, 1994 Earliest Filing
- 12 Expired/Abandoned/Withdrawn Patents
Patent Activity in the Last 10 Years
Technologies
Intl Class
Technology
Matters
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Recent Patents
Patent #
Title
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Intl Class
Expired/Abandoned/Withdrawn Patents
Patent #
Title
Status
Filing Date
Issue/Pub Date
Intl Class
6994556 Electronic educational apparatus incorporating the detection of objectsExpiredJan 18, 02Feb 07, 06[G09B]
2005/0231,322 Contact plate apparatus for determining the position of a joystickAbandonedOct 18, 04Oct 20, 05[H01C]
2004/0157,204 Electronic learning aid having a removable game moduleAbandonedFeb 10, 03Aug 12, 04[G09B]
2002/0093,463 Electronic learning aid having a removable game moduleAbandonedDec 18, 00Jul 18, 02[G09G]
2001/0031,453 Method and apparatus for promoting the use of educational activities in an electronic learning aid having a removable game moduleAbandonedDec 18, 00Oct 18, 01[G09B]
5619591 Encoding and decoding color image data based on mean luminance and an upper and a lower color valueExpiredAug 23, 95Apr 08, 97[H04N, G06K]
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