Inventor
WONG WAI HA
US19 patents
⚠️ This page may combine multiple inventors who share the name “WONG WAI HA”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
VARIAN INC
17 patentsUS6201392B1Mar 13, 2001
Coplanar RF probe coil arrangement for multifrequency excitation
VARIAN INC122 citations96
US6100694AAug 8, 2000
Multiple-tuned bird cage coils
VARIAN INC73 citations96
US6420871B1Jul 16, 2002
Multiple tuned birdcage coils
VARIAN INC88 citations94
US6236206B1May 22, 2001
Globally tunable birdcage coil and method for using same
VARIAN INC57 citations93
US6806713B2Oct 19, 2004
RF coil for magic angle spinning probe
VARIAN INC28 citations92
US6377047B1Apr 23, 2002
Superconducting birdcage coils
VARIAN INC51 citations92
US6285189B1Sep 4, 2001
Millipede coils
VARIAN INC44 citations92
US6876200B2Apr 5, 2005
NMR probe having an inner quadrature detection coil combined with a spiral wound outer coil for irradiation
VARIAN INC35 citations91
US6590394B2Jul 8, 2003
NMR probe with enhanced power handling ability
VARIAN INC71 citations91
US6369570B1Apr 9, 2002
B1 gradient coils
VARIAN INC40 citations91
US6980000B2Dec 27, 2005
Coils for high frequency MRI
VARIAN INC51 citations89
US7501828B1Mar 10, 2009
Switchable birdcage coil
VARIAN INC29 citations88
US6794868B1Sep 21, 2004
Method of shim optimization
VARIAN INC17 citations84
US6552544B2Apr 22, 2003
Detunable coil assembly and method of detuning RF coil for MRI
VARIAN INC18 citations83
US6735851B2May 18, 2004
Method of producing a birdcage superconducting coil
VARIAN INC12 citations70
US6667674B2Dec 23, 2003
NMR resonators optimized for high Q factor
VARIAN INC7 citations69
US7791339B2Sep 7, 2010
RF-switched superconducting resonators and methods of switching thereof
VARIAN INC4 citations61