Inventor · Danville, CA, US

Thomas Hellmuth

14Patents
12h-index
21Co-inventors
78Inventor score

Filing activity: Sep 24, 1992 → Jul 7, 2022

Most-cited inventions

PatentTitleAreaCited byStatus
US5491524A Optical coherence tomography corneal mapping apparatus Physics 388 Expired
US6004314A Optical coherence tomography assisted surgical apparatus Human Necessities 353 Expired
US5795295A OCT-assisted surgical microscope with multi-coordinate manipulator Human Necessities 345 Expired
US5493109A Optical coherence tomography assisted ophthalmologic surgical microscope Human Necessities 229 Expired
US5537162A Method and apparatus for optical coherence tomographic fundus imaging without vignetting Physics 130 Expired
US5501226A Short coherence length, doppler velocimetry system Human Necessities 76 Expired
US5549114A Short coherence length, doppler velocimetry system Human Necessities 55 Expired
US5506634A Fundus illumination apparatus formed from three, separated radiation path systems Human Necessities 33 Expired
US5975699A Method and apparatus for simultaneously measuring the length and refractive error of an eye Human Necessities 28 Expired
US5469261A Measurement of lens characteristics Physics 26 Expired
US5288987A Autofocusing arrangement for a stereomicroscope which permits automatic focusing on objects on which reflections occur Physics 19 Expired
US7084986B2 System for measuring the optical image quality of an eye in a contactless manner Physics 17 Expired
US5619372A Stereomicroscope for making transparent media visible and method therefor Human Necessities 8 Expired
US12205340B2 Neural network for classifying obstructions in an optical sensor Physics 0 Active

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