Inventor · Watertown, MA, US

Farhad Hakimi

25Patents
13h-index
12Co-inventors
78Inventor score

Filing activity: Jul 1, 1985 → Jan 9, 2008

Most-cited inventions

PatentTitleAreaCited byStatus
US5260957A Quantum dot Laser Emerging Cross-Sectional Technologies 373 Expired
US4815079A Optical fiber lasers and amplifiers Electricity 206 Expired
US5915385A Snore and stress relieving device Emerging Cross-Sectional Technologies 95 Expired
US5121460A High-power mode-selective optical fiber laser Electricity 73 Expired
US5196041A Method of forming an optical channel waveguide by gettering Physics 56 Expired
US4680767A Optical fiber laser Electricity 35 Expired
US5166940A Fiber laser and method of making same Electricity 28 Expired
US5587827A Apparatus for compensating chromatic and polarization dispersion and frequency chirp in fiber optics and for pulse compression in laser systems Electricity 27 Expired
US6370297B1 Side pumped optical amplifiers and lasers Electricity 22 Expired
US5365538A Slab waveguide pumped channel waveguide laser Electricity 22 Expired
US5064288A Scattered light multi-Brillouin gyroscope Physics 18 Expired
US7808618B1 Methods and apparatus for providing a semiconductor optical flexured mass accelerometer Physics 17 Active
US5432637A Fiber optic depolarizer for optical time domain reflectometer and fiber optical communication systems Physics 14 Expired
US5194079A Method of forming an optical channel waveguide by thermal diffusion Physics 12 Expired
US5408317A Scattered light moire-brillouin gyroscope Physics 11 Expired
US6798562B2 Fast optical wavelength shifter Electricity 11 Expired
US6384945B1 Nonlinear temporal grating as a new optical solitary wave Electricity 8 Expired
US6356677B1 Fast variable optical delay Physics 8 Expired
US5178658A Method for forming an optical waveguide by selective volatization Physics 8 Expired
US6674930B2 Fast variable optical delay Physics 5 Expired
US6563620B1 Quasi-dispersionless optical fiber transmission, dispersion compensation and optical clock Physics 4 Expired
US6515792B1 Fast optical wavelength shifter Electricity 4 Expired
US6404526B2 WDM system that uses nonlinear temporal gratings Electricity 2 Expired
US6427039B1 Wavelength shifting and optical switching Physics 2 Expired
US6671427B2 Wavelength shifting and optical switching Physics 0 Expired

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