Inventor
CHUNG PAUL WINGSHING
US9 patents
⚠️ This page may combine multiple inventors who share the name “CHUNG PAUL WINGSHING”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
IBM
8 patentsUS6822817B2Nov 23, 2004
Preamplifier circuit suitable for use in magnetic storage devices
IBM31 citations92
US6420910B1Jul 16, 2002
Quasi-current sensing input impedance controlled preamplifier for magnetoresistive elements
IBM41 citations92
US6271977B1Aug 7, 2001
Multi-state preamplifier for disk drives
IBM28 citations91
US6175462B1Jan 16, 2001
High input impedance single ended, low supply voltage magnetoresistive preamplifier circuits
IBM24 citations91
US5969523AOct 19, 1999
Preamplifier bias mode to re-initialize a GMR head after losing initialization
IBM47 citations91
US5822141AOct 13, 1998
High speed FET write driver for an inductive head
IBM47 citations91
US6525896B2Feb 25, 2003
Method and circuitry for high voltage application with MOSFET technology
IBM19 citations82
US6265905B1Jul 24, 2001
Quasi-voltage sensing input impedance controlled preamplifier for magnetoresistive elements
IBM9 citations72