Inventor
SHAPIRO PHIL
US15 patents
⚠️ This page may combine multiple inventors who share the name “SHAPIRO PHIL”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SONY CORP
9 patentsUS6268756B1Jul 31, 2001
Fast high side switch for hard disk drive preamplifiers
SONY CORP17 citations91
US6175463B1Jan 16, 2001
Architecture for hard disk drive write preamplifiers
SONY CORP30 citations91
US6064274AMay 16, 2000
RCB cancellation in high-side low power supply current sources
SONY CORP18 citations83
US6191643B1Feb 20, 2001
Voltage boost circuitry for hard drive write preamplifiers
SONY CORP12 citations72
US6188268B1Feb 13, 2001
Low side current sink circuit having improved output impedance to reduce effects of leakage current
SONY CORP8 citations72
US6384638B1May 7, 2002
Differential charge pump for providing a low charge pump current
SONY CORP6 citations61
US6100726AAug 8, 2000
High input impedance buffer circuit having a high-side current source circuit with RCB cancellation
SONY CORP4 citations61
US6304132B1Oct 16, 2001
High side current source circuit having improved output impedance to reduce effects of leakage circuit
SONY CORP1 citations51
US6177825B1Jan 23, 2001
Fast high side switch for hard disk drive preamplifiers
SONY CORP1 citations50
FINISAR CORP
4 patentsUS6965103B2Nov 15, 2005
Signal strength detection circuits for high speed optical electronics
FINISAR CORP9 citations73
US7038187B2May 2, 2006
Circuit for measuring photo-current level in fiber optic links
FINISAR CORP1 citations62
US6855920B2Feb 15, 2005
Signal strength detection in high-speed optical electronics
FINISAR CORP2 citations62
US7470884B2Dec 30, 2008
Signal strength detection circuits for high speed optical electronics
FINISAR CORP0 citations51