Inventor
HAPPER WILLIAM
US26 patents
⚠️ This page may combine multiple inventors who share the name “HAPPER WILLIAM”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
UNIV PRINCETON
17 patentsUS7323941B1Jan 29, 2008
Method and system for operating a laser self-modulated at alkali-metal atom hyperfine frequency
UNIV PRINCETON60 citations97
US5809801ASep 22, 1998
Cryogenic accumulator for spin-polarized xenon-129
UNIV PRINCETON118 citations97
US5642625AJul 1, 1997
High volume hyperpolarizer for spin-polarized noble gas
UNIV PRINCETON192 citations96
US5860295AJan 19, 1999
Cryogenic accumulator for spin-polarized xenon-129
UNIV PRINCETON58 citations95
US5785953AJul 28, 1998
Magnetic resonance imaging using hyperpolarized noble gases
UNIV PRINCETON55 citations95
US5612103AMar 18, 1997
Coatings for production of hyperpolarized noble gases
UNIV PRINCETON61 citations95
US6593144B2Jul 15, 2003
Magnetic resonance imaging using hyperpolarized noble gases
UNIV PRINCETON15 citations92
US6241966B1Jun 5, 2001
Magnetic resonance imaging using Hyperpolarized noble gases
UNIV PRINCETON29 citations92
US6123919ASep 26, 2000
Magnetic resonance imaging using hyperpolarized noble gases
UNIV PRINCETON25 citations92
US6888780B2May 3, 2005
Method and system for operating an atomic clock with simultaneous locking of field and frequency
UNIV PRINCETON43 citations90
US8009520B2Aug 30, 2011
Method and system for operating an atomic clock using a self-modulated laser with electrical modulation
UNIV PRINCETON16 citations84
US7439814B2Oct 21, 2008
Method and system for operating an atomic clock with simultaneous control of frequency and magnetic field
UNIV PRINCETON14 citations83
US6551559B1Apr 22, 2003
Sol-gel coated polarization vessels
UNIV PRINCETON15 citations80
US7825736B2Nov 2, 2010
Method for suppressing light shift in optical pumping systems
UNIV PRINCETON10 citations79
US6318092B1Nov 20, 2001
Alkali metal hybrid spin-exchange optical pumping
UNIV PRINCETON18 citations79
US6919770B2Jul 19, 2005
Method and system for operating an atomic clock with reduced spin-exchange broadening of atomic clock resonances
UNIV PRINCETON16 citations77
US7931794B2Apr 26, 2011
Method and system for electrolytic fabrication of atomic clock cells
UNIV PRINCETON6 citations58
MEDI PHYSICS INC
3 patentsUS6648130B1Nov 18, 2003
Hyperpolarized gas transport and storage devices and associated transport and storage methods using permanent magnets
MEDI PHYSICS INC24 citations92
US7066319B2Jun 27, 2006
Hyperpolarized gas transport and storage devices and associated transport and storage methods using permanent magnets
MEDI PHYSICS INC11 citations84
US8020694B2Sep 20, 2011
Hyperpolarized gas transport and storage devices and associated transport and storage methods using permanent magnets
MEDI PHYSICS INC4 citations62