Professor Khalil Najafi’s Patents and Disclosures

Khalil Najafi/Professor Khalil Najafi’s Patents and Disclosures
  1. I. Shahossseni, K. Najafi
    “Vibrational energy harvester with amplifier having gear assembly”
    US Patent 10,985,633
    April 20, 2021

  2. I. Shahosseini, K. Najafi, R.L. Peterson
    “Electromagnetic Energy Transducer”
    US Patent 10,734,877
    Issued August 4, 2020

  3. K. Najafi, T. Nagourney, J.Y. Cho
    “Three Dimensional Microstructures and Fabrication Process”
    US Patent 10,730,748
    Issued August 4, 2020

  4. K. Najafi, and J.Y. Cho
    “Assembly Processes for Three-Dimensional Microstructures”
    US Patent 10,612,925
    Issued April 7, 2020

  5. K. Najafi, A. Darvishian
    “Stacked Balanced Resonators”
    US Patent 10,598,491
    Issued March 24, 2020

  6. K. Najafi, L. Bernal, S.A. Sandoughsaz, A. Besharatian
    “Modular Stacked Variable-Compression Micropump and Method of Making Same”
    US Patent 10,563,642
    Issued February 18, 2020

  7. K. Najafi, J-Y Cho, A. Darvishian, G. He, B. Shiari, T. Nagourney
    “Gyroscope and Fabrication Process”
    US Patent 10,532,943
    Issued January 14, 2020

  8. K. Najafi, Y. Tang
    “Capacitive-based Transducer with High-Aspect Ratio”
    US Patent 10,524,059
    Issued December 31, 2019

  9. K. Najafi, and Y. Tang
    “High Aspect-Ratio Low Noise Multi-Axis Accelerometers”
    US Patent 10,495,663 
    Issued December 3, 2019

  10. K. Najafi, S-H. Lee, S-W. Lee, J.S. Mitchell, O. Srivannavit, 
    “Environment-Resistant Module, Micropackage and Methods of Manufacturing Same”
    US Patent 10,266,392
    Issued April 23, 2019

  11. K. Najafi, E. Aktakka
    “Multi-Axis Piezoelectric Transducer”
    US Patent No. 10,263,173 B2
    Issued April 16, 2019

  12. K. Najafi, R.L. Peterson, J. McCullagh
    “Full-Wave Charge Pump with Low-Voltage Startup”
    US Patent No. 10,250,235 B2
    Issued April 2, 2019

  13. K. Najafi, E. Aktakka
    “Actuation and Sensing Platform for Sensor Calibration and Vibration Isolation”
    US Patent No. 9,874,459
    Issued January 23, 2018

  14. K. Najafi, J. Y. Cho, and T. Nagourney
    “Three Dimensional Microstructures and Fabrication Process”
    US Patent No. 9796586-B2
    Issued October 24, 2017

  15. K. Najafi, R. L. Peterson, J. Y. Cho, Z. Cao, G. He, J. Gregory, Y. Yuan
    “Microsystem Device and Methods for Fabricating the Same”
    US Patent No. 9778039-B2
    Issued October 3, 2017

  16. K. Najafi, M. Sadeghi, R. L. Peterson
    “Micro-hydraulic Device”
    US Patent No. 9502995-B2
    Issued November 22, 2016

  17. K. Najafi, J. Y. Cho
    “Gyroscope and Method of Fabricating a Resonator for a Gyroscope”
    US Patent No. 9,494,425 B2
    Issued November 15, 2016

  18. K. Najafi, M. Sadeghi, and R. L. Peterson
    “Fluid Flow Sensor”
    US Patent No. 9,400,197
    Issued July 26, 2016

  19. K. Najafi, D. Egert
    “Probes Having Deployable Sites And Methods For Making The Same”
    US Patent No. 9,265,465
    Issued February 23, 2016

  20. T. Galchev, K. Najafi, and H. Kim
    “Increased Frequency Power Generation Using Low- Frequency Ambient Vibrations”
    US Patent No. 8,796,907
    Issued August 5, 2014

  21. K. Najafi, S-H Lee, S.W. Lee
    “Environment-Resistant Module, Micropackage and Methods of Manufacturing Same”
    US Patent No. 8,698,292B2
    Issued April 15, 2014

  22. K. Najafi, S-H Lee, S.W. Lee
    “Environment-Resistant Module, Micropackage and Methods of Manufacturing Same”
    US Patent No. 8,476,737
    Issued July 2, 2013

  23. K. Najafi, E. Aktakka, and H. Kim
    “Method of Making a Thin-Film Device”
    US Patent No. 8,209,857 B2
    Issued July 3, 2012

  24. K. Najafi, S-H Lee, S.W. Lee
    “Environment-Resistant Module, Micropackage and Methods of Manufacturing Same”
    US Patent No. 8,049,326
    Issued November 1, 2011

  25. M. Ghovanloo, K. Najafi
    “Demodulator, chip and method for digitally demodulating an FSK signal”
    US Patent No. 7,881,409
    Issued February 1, 2011

  26. H. Kulah, K. Najafi
    “Method and Micro Power Generator for Generating Electrical Power from Low Frequency Vibrational Energy”
    US Patent No. 7,579,757 B2
    Issued August 25, 2009

  27. K. Najafi, J. Chae, and J. Giachino
    “Method of Fabricating a Package with Substantially Vertical Feedthroughs for Micromachined or MEMS Devices”
    US Patent No. 7,098,117
    Issued August 29, 2006

  28. B.H. Stark, K. Najafi
    “Low Temperature Method for Forming a Microcavity on a Substrate and Article Having Same”
    US Patent No. 7,029,829
    Issued April 18, 2006

  29. K. Najafi, H. Kim, L. Bernal, A. Astle, and P. Washabaugh
    “Micropump Assembly For A Micro Gas Chromatograph And The Like”
    US Patent No. 7,008,193,
    Issued March 7, 2006

  30. K. Najafi, C. Zhang
    “Method of Making a Thick Microstructural Oxide Layer”
    US Patent No. 6,962,831
    Issued November 8, 2005

  31. A. B. Ucok, K. Najafi, and J. Giachino
    “Multi-Substrate Package and Method for Assembling Same”
    US Patent No. 6,958,531
    Issued October 25, 2005

  32. T. J. Harpster, K. Najafi
    “Method of Joining An Insulator Element to a Substrate”
    US Patent No. 6,939,778, B2
    Issued September 6, 2005

  33. K. Najafi, J. Chae
    “Micromachined Capacitive Lateral Accelerometer Device and Monolithic, Three-Axis Accelerometer Having Same”
    US Patent No. 6,938,484 B2
    Issued September 6, 2005

  34. T-K. A. Chou, K. Najafi, L.P. Bernal, P.D. Washabaugh
    “Low-Temperature Patterned Wafer Bonding with Photosensitive Benzocyclobutene (BCB) and 3D MEMS (Microelectromechanical Systems) Structure Fabrication”
    US Patent No. 6,942,750
    Issued September 13, 2005

  35. K. Najafi, and T-K. A. Chou
    “Method of Fabricating a Device Having a Desired Non-planar Surface or Profile and Device Produced Thereby”
    US Patent No. 6,884,732
    Issued April 26, 2005

  36. N. Yazdi, K. Najafi, and A. Salian
    “Single-side Microelectromechanical Capacitive Accelerometer and Method of Making Same”
    US Patent No. 6,718,605
    Issued April 13, 2004

  37. L. Lin, Y-T Cheng, K. Najafi and K. Wise
    “Microstructures”
    US Patent No. 6,436,853
    Issued August 20, 2002

  38. N. Yazdi, K. Najafi
    “Single-Side Microelectromechanical Capacitive Accelerometer and Method of Making Same”
    US Patent No. 6,402,968
    Issued June 11, 2002

  39. N. Yazdi, K. Najafi, and A. Salian
    “Single-side Microelectromechanical Capacitive Accelerometer and Method of Making Same”
    US Patent No. 6,286,369
    Issued September 11, 2001

  40. L. Lin, Y-T Cheng, K. Najafi and K. D. Wise
    “Process for Making Microstructures and Microstructures Made Thereby”
    US Patent, No. 6,232,150
    Issued May 15, 2001

  41. N. Yazdi, K. Najafi
    “Single-Side Microelectromechanical Capacitive Accelerometer and Method of Making Same”
    US Patent No. 6,167,757
    Issued January 2, 2001

  42. N. Yazdi, K. Najafi
    “Microelectromechanical Capacitive Accelerometer and Method of Making Same”
    US Patent No. 6,035,714
    Issued on March 14, 2000

  43. K. Najafi, K.D. Wise 
    “Single-Channel Microstimulator”
    US Patent No. 5,314,458
    Issued May 24, 1994

  44. K.D. Wise, K. Najafi
    “Thermopile Infrared Detector With Semiconductor Supporting Rim”
    US Patent No. 5,100,479
    issued March 31, 1992

  45. K.D. Wise, K. Najafi
    “Method of Manufacturing Thermopile Infrared Detector”
    US Patent No. 5,059,543
    Issued October 22, 1991

  46. K.D. Wise, K. Suzuki, K. Najafi
    “Silicon Tactile Imaging and Method of Making Same”
    US Patent No. 5,055,838
    Issued October 08, 1991

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