Small Power Communication Systems Research Laboratories Co., Ltd.
Patent Owner
Stats
- 0 US PATENTS IN FORCE
- 0 US APPLICATIONS PENDING
- Sep 05, 1995 most recent publication
Details
- 0 Issued Patents
- 0 Issued in last 3 years
- 0 Published in last 3 years
- 411 Total Citation Count
- Dec 06, 1989 Earliest Filing
- 10 Expired/Abandoned/Withdrawn Patents
Patent Activity in the Last 10 Years
Technologies
- No Technology to Display
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Recent Publications
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Recent Patents
- No Recent Patents to Display
Expired/Abandoned/Withdrawn Patents
Patent #
Title
Status
Filing Date
Issue/Pub Date
Intl Class
5369800 Multi-frequency communication system with an improved diversity schemeExpiredMay 20, 92Nov 29, 94[H04B]
5345474 Temporary address system in a radio communication systemExpiredSep 24, 93Sep 06, 94[H04L, H04B]
5345601 Harmonic-frequency communication system with improved diversity schemeExpiredMay 20, 92Sep 06, 94[H04B]
5329522 Space-division multiplex communication method of executing multiplex communicationExpiredAug 09, 93Jul 12, 94[H04B, H04J]
5173926 Convolutionally-encoded quadrature frequency-modulation systemExpiredApr 26, 91Dec 22, 92[H04L]
5159479 Private branch radio communication system using optical fibersExpiredMar 05, 92Oct 27, 92[H04B]
5124985 Radiocommunication system using time-division digital framesExpiredDec 06, 89Jun 23, 92[H04B, H04J]
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