Inventor
PASCHAL MATTHEW JAMES
US17 patents
⚠️ This page may combine multiple inventors who share the name “PASCHAL MATTHEW JAMES”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
IBM
16 patentsUS5712580AJan 27, 1998
Linear phase detector for half-speed quadrature clocking architecture
IBM109 citations97
US6265857B1Jul 24, 2001
Constant current source circuit with variable temperature compensation
IBM70 citations94
US6532245B1Mar 11, 2003
Vertical cavity surface emitting laser (VCSEL) driver with low duty cycle distortion and digital modulation adjustment
IBM24 citations92
US6181191B1Jan 30, 2001
Dual current source circuit with temperature coefficients of equal and opposite magnitude
IBM37 citations92
US6624917B1Sep 23, 2003
Optical power adjustment circuits for parallel optical transmitters
IBM25 citations91
US6462852B1Oct 8, 2002
Selectable low-voltage differential signal/current mode logic (LVDS/CML) receiver with the option of AC or DC coupling
IBM32 citations91
US10897225B1Jan 19, 2021
Oscillator failure detection circuit
IBM6 citations72
US6658030B1Dec 2, 2003
Laser safety method and device for duplex open loop parallel optical link
IBM11 citations72
US5789989AAug 4, 1998
Delay interpolating voltage-controlled oscillator with linear transfer function
IBM16 citations72
US6798990B2Sep 28, 2004
Laser safety method for DC coupled parallel optical link
IBM9 citations68
US12553947B2Feb 17, 2026
Clock glitch detector
IBM0 citations62
US12278640B1Apr 15, 2025
Phase alignment of signals of different frequencies
IBM0 citations62
US11775002B2Oct 3, 2023
Redundant clock switch
IBM1 citations62
US6928242B1Aug 9, 2005
Built in self test method and circuit for parallel optical transmitters
IBM2 citations61
US6091750AJul 18, 2000
Method and apparatus for providing hot plugging protection for laser optoelectronic devices
IBM4 citations61
US12549326B2Feb 10, 2026
Enhanced PPM frequency offset detector
IBM0 citations51