Assignee
AMTECH CORP
US20 patents
Top patents by PatentIndex Score
US5850187ADec 15, 1998
Integrated electronic tag reader and wireless communication link
AMTECH CORP595 citations98
US5030807AJul 9, 1991
System for reading and writing data from and into remote tags
AMTECH CORP382 citations98
US4816839AMar 28, 1989
Transponder antenna
AMTECH CORP159 citations98
US4739328AApr 19, 1988
System for identifying particular objects
AMTECH CORP391 citations98
US5485520AJan 16, 1996
Automatic real-time highway toll collection from moving vehicles
AMTECH CORP501 citations97
US4786907ANov 22, 1988
Transponder useful in a system for identifying objects
AMTECH CORP134 citations97
US5771021AJun 23, 1998
Transponder employing modulated backscatter microstrip double patch antenna
AMTECH CORP141 citations96
US5737710AApr 7, 1998
Automated vehicle parking system for a plurality of remote parking facilities
AMTECH CORP252 citations96
US5510795AApr 23, 1996
Single antenna location and direction finding system
AMTECH CORP53 citations96
US4782345ANov 1, 1988
Transponder antenna
AMTECH CORP129 citations96
US5504485AApr 2, 1996
System for preventing reading of undesired RF signals
AMTECH CORP96 citations95
US4864158ASep 5, 1989
Rapid signal validity checking apparatus
AMTECH CORP84 citations94
US5828693AOct 27, 1998
Spread spectrum frequency hopping reader system
AMTECH CORP177 citations92
US5479160ADec 26, 1995
Low level RF threshold detector
AMTECH CORP30 citations92
US7360776B2Apr 22, 2008
Method and apparatus for rebound control
AMTECH CORP19 citations90
US5903937AMay 18, 1999
Bathroom module accessible to wheeled assemblies
AMTECH CORP49 citations90
US5825329AOct 20, 1998
Modulated backscatter microstrip patch antenna
AMTECH CORP51 citations90
US5438713AAug 8, 1995
Seamless bathroom module for a marine vessel
AMTECH CORP24 citations90
US4745643AMay 24, 1988
Modular sleeping unit for ship crew or the like
AMTECH CORP38 citations90
US6499260B2Dec 31, 2002
Portable greenhouse structure and method and apparatus for assembling same
AMTECH CORP25 citations86