CASIO COMMUNICATIONS, INC.
Patent Owner
Stats
- 3 US PATENTS IN FORCE
- 0 US APPLICATIONS PENDING
- Jan 26, 1999 most recent publication
Details
- 3 Issued Patents
- 0 Issued in last 3 years
- 0 Published in last 3 years
- 157 Total Citation Count
- Oct 04, 1990 Earliest Filing
- 5 Expired/Abandoned/Withdrawn Patents
Patent Activity in the Last 10 Years
Technologies
Intl Class
Technology
Matters
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Top Patents (by citation)
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Recent Publications
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Recent Patents
Patent #
Title
Filing Date
Issue Date
Intl Class
Expired/Abandoned/Withdrawn Patents
Patent #
Title
Status
Filing Date
Issue/Pub Date
Intl Class
5699421 Telephone answering device with low cost dual tone multi-frequency detectorExpiredMay 31, 95Dec 16, 97[H04M, G08C, G06F]
D356087 Combined telephone, telephone handset and telephone answering deviceExpiredJul 01, 94Mar 07, 95[]
5163082 Memory management methods and apparatus for digital telephone answering devicesExpiredOct 04, 90Nov 10, 92[H04M]
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