Assignee
NTP INC
US23 patents
Top patents by PatentIndex Score
US6337628B2Jan 8, 2002
Omnidirectional and directional antenna assembly
NTP INC180 citations99
US5640146AJun 17, 1997
Radio tracking system and method of operation thereof
NTP INC293 citations99
US6317592B1Nov 13, 2001
Electronic mail system with RF communications to mobile processors
NTP INC134 citations98
US6272190B1Aug 7, 2001
System for wireless transmission and receiving of information and method of operation thereof
NTP INC137 citations98
US6067451AMay 23, 2000
Electronic mail system with RF communications to mobile processors
NTP INC111 citations98
US5819172AOct 6, 1998
Electronic mail system with RF communications to mobile radios
NTP INC260 citations98
US5751773AMay 12, 1998
System for wireless serial transmission of encoded information
NTP INC131 citations98
US5745532AApr 28, 1998
System for wireless transmission and receiving of information and method of operation thereof
NTP INC138 citations98
US5717725AFeb 10, 1998
System for wireless transmission and receiving of information through a computer bus interface and method of operation
NTP INC123 citations98
US5650769AJul 22, 1997
Radio receiver for use in a radio tracking system and a method of operation thereof
NTP INC151 citations98
US5631946AMay 20, 1997
System for transferring information from a RF receiver to a processor under control of a program stored by the processor and method of operation thereof
NTP INC334 citations98
US5625670AApr 29, 1997
Electronic mail system with RF communications to mobile processors
NTP INC387 citations98
US5479472ADec 26, 1995
System for interconnecting electronic mail systems by RF communications and method of operation thereof
NTP INC355 citations98
US5446759AAug 29, 1995
Information transmission system and method of operation
NTP INC122 citations98
US5438611AAug 1, 1995
Electronic mail system with RF communications to mobile processors originating from outside of the electronic mail system and method of operation thereof
NTP INC314 citations98
US6198783B1Mar 6, 2001
System for wireless serial transmission of encoded information
NTP INC77 citations96
US6169485B1Jan 2, 2001
System and method of radio transmission between a radio transmitter and radio receiver
NTP INC52 citations96
US5742644AApr 21, 1998
Receiving circuitry for receiving serially transmitted encoded information
NTP INC67 citations96
US5722064AFeb 24, 1998
Radio receiver for use in a radio tracking system
NTP INC57 citations96
US5722059AFeb 24, 1998
Radio receiver for use in a radio tracking system and a method of operation thereof
NTP INC83 citations96
US5714937AFeb 3, 1998
Omidirectional and directional antenna assembly
NTP INC67 citations96
US5710798AJan 20, 1998
System for wireless transmission and receiving of information and method of operation thereof
NTP INC87 citations96
US5694428ADec 2, 1997
Transmitting circuitry for serial transmission of encoded information
NTP INC59 citations96