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MITEL CORP
CA294 patents
Top patents by PatentIndex Score
US5761288AJun 2, 1998
Service context sensitive features and applications
MITEL CORP145 citations99
US5625682AApr 29, 1997
Help desk improvement
MITEL CORP158 citations99
US5602843AFeb 11, 1997
Integrated wired and wireless telecommunications system
MITEL CORP249 citations99
US6230287B1May 8, 2001
Web based help desk
MITEL CORP411 citations98
US5675636AOct 7, 1997
Adaptive method for allocating calls
MITEL CORP100 citations98
US6167127ADec 26, 2000
Telephone system using recorded messages to make outbound announcements
MITEL CORP113 citations97
US6130938AOct 10, 2000
Automatic call forwarding
MITEL CORP256 citations97
US5533110AJul 2, 1996
Human machine interface for telephone feature invocation
MITEL CORP519 citations97
US5166972ANov 24, 1992
Group emergency call system
MITEL CORP166 citations97
US5898432AApr 27, 1999
Animated cursor
MITEL CORP83 citations96
US5680404AOct 21, 1997
Cycling error count for link maintenance
MITEL CORP83 citations96
US5638494AJun 10, 1997
Adaptive communication system
MITEL CORP117 citations96
US5470798ANov 28, 1995
Moisture-free sog process
MITEL CORP73 citations96
US5329576AJul 12, 1994
Wireless communication zone management system
MITEL CORP61 citations96
US5320983AJun 14, 1994
Spin-on glass processing technique for the fabrication of semiconductor devices
MITEL CORP66 citations96
US4743897AMay 10, 1988
LED driver circuit
MITEL CORP57 citations96
US4608686AAug 26, 1986
Two wire voice and data subscriber loop
MITEL CORP145 citations96
US5940834AAug 17, 1999
Automatic web page generator
MITEL CORP337 citations95
US5703942ADec 30, 1997
Portable telephone user profiles using central computer
MITEL CORP91 citations95
US4540854ASep 10, 1985
Subscriber line interface circuit
MITEL CORP65 citations95
US4376875AMar 15, 1983
Keyless and indicatorless local telephone switching system
MITEL CORP76 citations95
US5508631AApr 16, 1996
Semiconductor test chip with on wafer switching matrix
MITEL CORP63 citations94
US5454032ASep 26, 1995
Method of establishing communication link to one of multiple devices associated with single telephone number
MITEL CORP165 citations94
US4604741AAug 5, 1986
Voice and data interface circuit
MITEL CORP89 citations94
USD275752SOct 2, 1984
Telephone control unit
MITEL CORP59 citations94
US6550024B1Apr 15, 2003
Semantic error diagnostic process for multi-agent systems
MITEL CORP130 citations93
US6377950B1Apr 23, 2002
Integrated directory services
MITEL CORP96 citations93
US6212309B1Apr 3, 2001
Optical cross point switch using deformable micromirror
MITEL CORP71 citations93
US6018571AJan 25, 2000
System for interactive control of a computer and telephone
MITEL CORP308 citations93
US5747361AMay 5, 1998
Stabilization of the interface between aluminum and titanium nitride
MITEL CORP40 citations93
US5677830AOct 14, 1997
Modular, stacking, expandable electronic enclosure system
MITEL CORP105 citations93
US5457073AOct 10, 1995
Multi-level interconnection CMOS devices with SOG
MITEL CORP46 citations93
US5447613ASep 5, 1995
Preventing of via poisoning by glow discharge induced desorption
MITEL CORP24 citations93
US5364818ANov 15, 1994
Sog with moisture resistant protective capping layer
MITEL CORP31 citations93
US7010098B2Mar 7, 2006
Ultrasonic proximity detector for a telephone device
MITEL CORP22 citations92
US6958992B2Oct 25, 2005
Registering an IP phone with an IP phone switch
MITEL CORP46 citations92
US6816589B2Nov 9, 2004
Dynamic communications groups
MITEL CORP27 citations92
US6606610B1Aug 12, 2003
Feature interaction resolution using fuzzy rules
MITEL CORP53 citations92
US6507650B1Jan 14, 2003
Method for noise dosimetry in appliances employing earphones or headsets
MITEL CORP40 citations92
US6268620B1Jul 31, 2001
Method of forming capacitors on integrated circuit
MITEL CORP28 citations92
US5949873ASep 7, 1999
Method of providing centrex type operation using a PBX and a central switching office
MITEL CORP23 citations92
US5802396ASep 1, 1998
Adaptive communication system
MITEL CORP25 citations92
US5657377AAug 12, 1997
Portable telephone user profiles
MITEL CORP31 citations92
US5586167ADec 17, 1996
Wireless communication zone management system
MITEL CORP30 citations92
US5586169ADec 17, 1996
Method of ringing a call responsive apparatus which answered an immediately preceding incoming call
MITEL CORP31 citations92
US5471528ANov 28, 1995
Voice switched speakerphone with filters having exponential transfer function in the monitoring path
MITEL CORP37 citations92
US5428316AJun 27, 1995
Power amplifier with quiescent current control
MITEL CORP24 citations92
US7155528B2Dec 26, 2006
Simple supplementary service protocol for H.323 systems
MITEL CORP23 citations91
US6647103B2Nov 11, 2003
Palm PC dockable phone
MITEL CORP62 citations91
US6535844B1Mar 18, 2003
Method of detecting silence in a packetized voice stream
MITEL CORP21 citations91
Showing the top 50 of 294 patents by PatentIndex Score.