Inventor · San Diego, CA, US

Richard M. Ness

47Patents
25h-index
82Co-inventors
84Inventor score

Filing activity: Feb 21, 1997 → Jan 17, 2012

Most-cited inventions

PatentTitleAreaCited byStatus
US6128323A Reliable modular production quality narrow-band high REP rate excimer laser Electricity 171 Expired
US6018537A Reliable, modular, production quality narrow-band high rep rate F.sub.2 laser Electricity 161 Expired
US6567450B2 Very narrow band, two chamber, high rep rate gas discharge laser system Electricity 144 Expired
US5991324A Reliable. modular, production quality narrow-band KRF excimer laser Electricity 139 Expired
US6625191B2 Very narrow band, two chamber, high rep rate gas discharge laser system Electricity 136 Expired
US5936988A High pulse rate pulse power system Electricity 107 Expired
US6016325A Magnetic modulator voltage and temperature timing compensation circuit Electricity 97 Expired
US6549551B2 Injection seeded laser with precise timing control Electricity 96 Expired
US6566667B1 Plasma focus light source with improved pulse power system Electricity 88 Expired
US6972421B2 Extreme ultraviolet light source Electricity 86 Expired
US6586757B2 Plasma focus light source with active and buffer gas control Electricity 75 Expired
US6690704B2 Control system for a two chamber gas discharge laser Electricity 70 Expired
US5914974A Method and apparatus for eliminating reflected energy due to stage mismatch in nonlinear magnetic compression modules Electricity 70 Expired
US6815700B2 Plasma focus light source with improved pulse power system Electricity 69 Expired
US6566668B2 Plasma focus light source with tandem ellipsoidal mirror units Electricity 66 Expired
US6151346A High pulse rate pulse power system with fast rise time and low current Electricity 63 Expired
US6330261A Reliable, modular, production quality narrow-band high rep rate ArF excimer laser Electricity 60 Expired
US5940421A Current reversal prevention circuit for a pulsed gas discharge laser Electricity 58 Expired
US6757316B2 Four KHz gas discharge laser Electricity 52 Expired
US5949806A High voltage cable interlock circuit Electricity 49 Expired
US7368741B2 Extreme ultraviolet light source Electricity 45 Expired
US6028872A High pulse rate pulse power system with resonant power supply Electricity 44 Expired
US6744060B2 Pulse power system for extreme ultraviolet and x-ray sources Electricity 42 Expired
US6590922B2 Injection seeded F2 laser with line selection and discrimination Electricity 38 Expired
US6442181B1 Extreme repetition rate gas discharge laser Electricity 38 Expired

Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.