WJ COMMUNICATIONS, INC.
Patent Owner
Stats
- 19 US PATENTS IN FORCE
- 0 US APPLICATIONS PENDING
- May 06, 2008 most recent publication
Details
- 19 Issued Patents
- 0 Issued in last 3 years
- 0 Published in last 3 years
- 996 Total Citation Count
- Sep 17, 1980 Earliest Filing
- 24 Expired/Abandoned/Withdrawn Patents
Patent Activity in the Last 10 Years
Technologies
Intl Class
Technology
Matters
Rank in Class
Top Patents (by citation)
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Recent Publications
- No Recent Publications to Display
Recent Patents
Patent #
Title
Filing Date
Issue Date
Intl Class
7369811 System and method for sensitivity optimization of RF receiver using adaptive nullingApr 27, 05May 06, 08[H04B]
7012288 Heterojunction bipolar transistor having non-uniformly doped collector for improved safe-operating areaOct 08, 02Mar 14, 06[H01L]
6806513 Heterojunction bipolar transistor having wide bandgap material in collectorOct 08, 02Oct 19, 04[H01L]
6521972 RF power transistor having low parasitic impedance input feed structureSep 28, 00Feb 18, 03[H01L]
6064872 Totem pole mixer having grounded serially connected stacked FET pairSep 09, 97May 16, 00[H04B]
Expired/Abandoned/Withdrawn Patents
Patent #
Title
Status
Filing Date
Issue/Pub Date
Intl Class
2007/0115,098 RFID SYSTEM INCLUDING TAGS HAVING LOW RF SCATTERING MODEAbandonedJun 30, 06May 24, 07[H04Q]
2007/0096,874 Distributed RFID interrogation system and method of operating the sameAbandonedOct 27, 05May 03, 07[G08B, H04Q, G05B, G06K]
2005/0280,508 System and method for controlling range of successful interrogation by RFID interrogation deviceAbandonedFeb 24, 05Dec 22, 05[H04Q]
2005/0140,457 Linearized power amplifier modulator in an RFID readerAbandonedDec 23, 04Jun 30, 05[H03K]
2004/0188,712 Heterojunction bipolar transistor having non-uniformly doped collector for improved safe-operating areaAbandonedApr 07, 04Sep 30, 04[H01L]
6603806 Method and apparatus for high data rate wireless communications over wavefield spacesExpiredAug 31, 01Aug 05, 03[H04B]
6285720 Method and apparatus for high data rate wireless communications over wavefield spacesExpiredAug 20, 99Sep 04, 01[H04L]
6263198 Multi-layer printed wiring board having integrated broadside microwave coupled balunsExpiredJun 14, 96Jul 17, 01[H04B]
6023622 Wireless communication system with dynamic channel allocationExpiredMar 05, 97Feb 08, 00[H04B]
RE36185 Method of fabricating Group III-V compound semiconductor devices using selective etchingExpiredDec 05, 96Apr 06, 99[B44C]
5873036 Apparatus and method for improving cellular communication by associating users on a mobile platform with a common platform identifierExpiredSep 20, 96Feb 16, 99[H04Q]
5823791 Connector assembly for detachably connecting a printed wiring board to a coaxial transmission lines connectorExpiredNov 06, 96Oct 20, 98[H01R]
5768268 Wideband base station architecture for digital cellular communications systemExpiredJul 19, 95Jun 16, 98[H04Q]
5639343 Method of characterizing group III-V epitaxial semiconductor wafers incorporating an etch stop layerExpiredDec 13, 95Jun 17, 97[C09K, H01L]
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