Inventor · Redmond, WA, US

Mark Feldman

14Patents
9h-index
9Co-inventors
61Inventor score

Filing activity: Jan 18, 1989 → Nov 10, 2006

Most-cited inventions

PatentTitleAreaCited byStatus
US6122388A Earmold device Electricity 150 Expired
US6132575A Magnetron reactor for providing a high density, inductively coupled plasma source for sputtering metal and dielectric films Electricity 29 Expired
US6287437A Recessed bonding of target for RF diode sputtering Chemistry; Metallurgy 25 Expired
US5305074A Achromatic self-referencing interferometer Physics 20 Expired
US5189485A Wavelength meter having single mode fiber optics multiplexed inputs Physics 12 Expired
US5939796A Combination mirror and memory switch Performing Operations; Transporting 12 Expired
US7436587B2 Variable focal length constant magnification lens assembly Physics 11 Active
US5309282A High stability wavefront reference source Physics 9 Expired
US5168324A Wavelength meter having elliptical wedge Physics 9 Expired
US7246032B2 Multimode electronic calipers having ratiometric mode and simplified user interface Physics 7 Active
US7253902B2 Wavelength detector Physics 7 Expired
US7315381B2 Monolithic quadrature detector Physics 4 Expired
US5854455A Switching device with secondary switching function Electricity 2 Expired
US7379187B2 Detector configuration for interferometric distance measurement Physics 1 Active

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