Inventor · Zürich, CH

Ursula Keller

17Patents
10h-index
32Co-inventors
72Inventor score

Filing activity: May 15, 1990 → Sep 30, 2015

Most-cited inventions

PatentTitleAreaCited byStatus
US6834064B1 Mode-locked thin-disk laser Electricity 46 Expired
US6735234B1 Passively mode-locked optically pumped semiconductor external-cavity surface-emitting laser Electricity 34 Expired
US5237577A Monolithically integrated Fabry-Perot saturable absorber Electricity 27 Expired
US5278855A Broadband semiconductor saturable absorber Electricity 24 Expired
US5007059A Nonlinear external cavity modelocked laser Electricity 23 Expired
US6778565B2 Pulse-generating laser Electricity 23 Expired
US7106764B1 High-repetition-rate passively mode-locked solid-state laser Electricity 17 Expired
US6538298B1 Semiconductor saturable absorber mirror Physics 12 Expired
US5345454A Antiresonant Fabry-Perot p-i-n modulator Electricity 11 Expired
US6256434A Method and dielectric and/or semiconductor device for influencing the dispersion of electromagnetic radiation Electricity 10 Expired
US6301049A Double chirped mirror Electricity 7 Expired
US6462878B1 Double chirped mirror Electricity 6 Expired
US6826219B2 Semiconductor saturable absorber device, and laser Electricity 4 Expired
US7729393B2 Surface emitting laser with an integrated absorber Electricity 1 Active
US9454060B2 Semiconductor disk laser for nonlinear microscopy applications in living organisms Electricity 0 Active
US10530115B2 Pulsed laser Electricity 0 Active
US6551850B1 Optically nonlinear semiconductor material and a method for the production thereof Physics 0 Expired

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