Inventor · Pasadena, CA, US

Chang Liu

33Patents
4h-index
32Co-inventors
63Inventor score

Filing activity: Jan 20, 1995 → Oct 23, 2024

Most-cited inventions

PatentTitleAreaCited byStatus
US5629918A Electromagnetically actuated micromachined flap Electricity 123 Expired
US5883310A Micromachined hot-wire shear stress sensor Physics 44 Expired
US10486156B2 Fluid transfer from digital microfluidic device Physics 9 Active
US9593338B2 Synthetic transcriptional control elements and methods of generating and using such elements Chemistry; Metallurgy 6 Active
US10770277B2 System and method for the acoustic loading of an analytical instrument using a continuous flow sampling probe Performing Operations; Transporting 2 Active
US11018845B1 Quarter-rate serial-link receiver with low-aperture-delay samplers Electricity 2 Active
US6884458B2 Sensor for monitoring material deposition and method of monitoring material deposition Performing Operations; Transporting 2 Expired
US10998179B2 Methods and systems for increasing sensitivity of direct sampling interfaces for mass spectrometric analysis Physics 2 Active
US10103015B2 Sampling interface for mass spectrometry systems and methods Electricity 2 Active
US11232938B2 Sampling probe and sampling interface for mass spectrometry Electricity 1 Active
US10613055B2 Systems and methods for multi-channel differential mobility spectrometry Electricity 1 Active
US10001456B2 Methods for detection in differential mobility spectrometer using a peptide metal complex Electricity 1 Active
US11079297B2 Integrated force sensor Physics 1 Active
US11348780B2 Methods and systems utilizing ultrasound-assisted sampling interfaces for mass spectrometric analysis Physics 0 Active
US11637006B2 System and method for the acoustic loading of an analytical instrument using a continuous flow sampling probe Performing Operations; Transporting 0 Active
US11450519B2 Sampling interface for a mass spectrometer Electricity 0 Active
US12036568B2 Volumetric measurement of micro droplets Physics 0 Active
US10481119B2 Force sensor array having an energy-absorbing film layer with an elastic deformability that converts kinetic energy into heat energy Physics 0 Active
US11085925B2 Isomeric reagent tags for differential mobility spectrometry Physics 0 Active
US12135969B2 Electromagnetic coil assembly structure for processing fluids and methods for making same Physics 0 Active
US12138606B2 3-d mixing and particle delivery via movable electromagnets assemblies Performing Operations; Transporting 0 Active
US11701005B2 Temperature measurement Human Necessities 0 Active
US12397302B2 Electromagnetic assemblies for processing fluids Physics 0 Active
US11476106B2 Methods and systems for increasing sensitivity of direct sampling interfaces for mass spectrometric analysis Physics 0 Active
US10656147B2 Magnetic elements for processing fluids Physics 0 Active

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