Inventor · Hefei, CN

Li Ding

136Patents
15h-index
151Co-inventors
89Inventor score

Filing activity: Oct 16, 2000 → Dec 29, 2023

Most-cited inventions

PatentTitleAreaCited byStatus
US7088143B2 Dynamic circuits having improved noise tolerance and method for designing same Electricity 66 Expired
US8486055B2 Method for modifying the refractive index of ocular tissues Human Necessities 52 Active
US7789910B2 Optical material and method for modifying the refractive index Physics 39 Active
US8512320B1 Method for modifying the refractive index of ocular tissues Human Necessities 38 Active
US9144491B2 Method for modifying the refractive index of an optical material Physics 33 Active
US8242459B2 Device for desorption and ionization Electricity 31 Active
US8294085B2 Mass spectrometric analyzer Electricity 30 Active
US9545340B1 Multi-photon absorption for femtosecond micromachining and refractive index modification of tissues Human Necessities 28 Active
US7917894B2 Constraining source code and objects for analysis tools Physics 26 Active
US7897916B2 Tandem ion-trap time-of-flight mass spectrometer Electricity 21 Expired
US8901190B2 Optical hydrogel material with photosensitizer and method for modifying the refractive index Physics 21 Active
US7193207B1 Methods and apparatus for driving a quadrupole ion trap device Electricity 20 Expired
US9786485B2 Mass analyser Electricity 19 Active
US9060847B2 Optical hydrogel material with photosensitizer and method for modifying the refractive index Physics 17 Active
US7893401B2 Mass spectrometer using a dynamic pressure ion source Electricity 16 Active
US8507848B1 Wire electrode based ion guide device Electricity 15 Active
US8932352B2 Optical material and method for modifying the refractive index Physics 14 Active
US9622912B2 Method for modifying the refractive index of an optical material Physics 13 Active
US7755034B2 Ion trap and a method for dissociating ions in an ion trap Electricity 13 Expired
US9105456B2 Tandem mass spectrum analysis device and mass spectrum analysis method Physics 12 Active
US6965106B2 Method for dissociating ions using a quadrupole ion trap device Electricity 12 Expired
US8337553B2 Optical material and method for modifying the refractive index Physics 12 Active
US6900433B2 Method and apparatus for ejecting ions from a quadrupole ion trap Electricity 12 Expired
US7285773B2 Quadrupole ion trap device and methods of operating a quadrupole ion trap device Electricity 10 Expired
US6483244B1 Method of fast start and/or fast termination of a radio frequency resonator Electricity 9 Expired

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