Patents

In reverse chronological order:

  1. C. T.-C. Nguyen, T. O. Rocheleau, and T. L. Naing, “Active resonator system with tunable quality factor, frequency, and impedance,” U. S. Patent No. 10,530,337 B2, issued Jan. 7, 2020.
  2. C. T.-C. Nguyen, W.-C. Li, R. Liu, “Zero-quiescent power receiver,” U. S. Patent No. 10,257,002 B2, issued April 9, 2019.
  3. C. T.-C. Nguyen and T. O. Rocheleau, “Micromechanical frequency divider,” U. S. Patent No. 10,224,875 B2, issued Mar. 5, 2019.
  4. C. T.-C. Nguyen, T. O. Rocheleau, and T. L. Naing, “Active resonator system with tunable quality factor, frequency, and impedance,” U. S. Patent No. 10,177,742 B2, issued Jan. 8, 2019.
  5. C. T.-C. Nguyen and Lingqi Wu, “Hollow supports and anchors for mechanical resonators,” U. S. Patent No. 9,866,172 B2, issued Jan. 9, 2018.
  6. C. T.-C. Nguyen, T. O. Rocheleau, and T. L. Naing, “MEMS-based regenerative transceiver,” U. S. Patent No. 9,853,679, issued Dec. 26, 2017.
  7. C. T.-C. Nguyen and Y. Lin, “Micromechanical resonant switches and charge pumps,” U. S. Patent No. 9,431,201 B2, issued Aug. 30, 2016.
  8. C. T.-C. Nguyen, Y. Lin, W.-C. Li, B. Kim, “Microelectromechanical system (MEMS) resonant switches and application for power converters and amplifiers,” U. S. Patent No. 9,077,060, issued July 7, 2015.
  9. C. T.-C. Nguyen and L.-W. Hung, “Etchant-free methods of producing a gap between two layers, and devices produced thereby,” U. S. Patent No. 8,704,316, issued April 22, 2014.
  10. C. T.-C. Nguyen and Y.-W. Lin, “Resonator system such as a microresonator system and method of making the same,” U. S. Patent No. 7,911,296 B2, issued March 22, 2011.
  11. C. T.-C. Nguyen, Y.-W. Lin, S.-S. Li, and Y. Xie, “Micromechanical structures having a capacitive transducer gap filled with a dielectric and method of making same,” U. S. Patent No. 7,551,043, issued June 23, 2009.
  12. S.-S. Li and C. T.-C. Nguyen, “High-Q micromechanical devices and filters utilizing the same,” U. S. Patent No. 7,295,088 B2, issued Nov. 13, 2007.
  13. Y. Xie and C. T.-C. Nguyen, “Micromechanical resonator device having a desired mode shape,” U. S. Patent No. 7,119,636, issued Oct. 10, 2006.
  14. M. A. Abdelmoneum and C. T.-C. Nguyen, “Micromechanical resonator device and method of making a micromechanical device,” U. S. Patent No. 6,985,051 B2, issued Jan. 10, 2006.
  15. W.-T. Hsu and C. T.-C. Nguyen, “Mechanical resonator device having phenomena-dependent electrical stiffness,” U. S. Patent No. 6,958,566, issued Oct. 25, 2005.
  16. Y. Xie and C. T.-C. Nguyen, “Low-voltage electromechanical device including a tiltable microplatform, method of tilting same, array of such devices and method of setting dimple-to-substrate spacing,” U. S. Patent No. 6,954,301, issued Oct. 11, 2005.
  17. C. T.-C. Nguyen, “Method and subsystem for processing signals utilizing a plurality of vibrating micromechanical devices,” U. S. Patent No. 6,917,138, issued July 12, 2005.
  18. J. R. Clark and C. T.-C. Nguyen, “Micromechanical resonator device and micromechanical device utilizing same,” U. S. Patent No. 6,856,217, issued Feb. 15, 2005.
  19. W.-T. Hsu, J. R. Clark, and C. T.-C. Nguyen, “Method for making micromechanical structures having at least one lateral, small gap therebetween and micromechanical device produced thereby,” U. S. Patent No. 6,846,691, issued January 25, 2005.
  20. M. U. Demirci and C. T.-C. Nguyen, “Filter-based method and system for measuring angular speed of an object,” U. S. Patent No. 6,742,389, issued June 1, 2004.
  21. W.-T. Hsu and C. T.-C. Nguyen, “Micromechanical resonator device,” U. S. Patent No. 6,739,190, issued May 25, 2004.
  22. C. T.-C. Nguyen, “Method and apparatus for filtering signals utilizing a vibrating micromechanical resonator,” U. S. Patent No. 6,713,938, issued March 30, 2004.
  23. C. T.-C. Nguyen, “Method and apparatus for selecting at least one desired channel utilizing a bank of vibrating micromechanical apparatus,” U. S. Patent No. 6,680,660 B2, issued Jan. 20, 2004.
  24. A.-C. Wong and C. T.-C. Nguyen, “Module and method of making same,” U. S. Patent No. 6,667,558 B2, issued Dec. 23, 2003.
  25. J. R. Clark and C. T.-C. Nguyen, “Micromechanical resonator device and micromechanical device utilizing same,” U. S. Patent No. 6,628,177, issued September 30, 2003.
  26. C. T.-C. Nguyen, “Method and subsystem for processing signals utilizing a plurality of vibrating micromechanical devices,” U. S. Patent No. 6,600,252, issued July 29, 2003.
  27. C. T.-C. Nguyen, “Method and apparatus for filtering signals in a subsystem including a power amplifier utilizing a bank of vibrating micromechanical apparatus,” U. S. Patent No. 6,593,831, issued July 15, 2003.
  28. C. T.-C. Nguyen, “Method and apparatus for generating a signal having at least one desired output frequency utilizing a bank of vibrating micromechanical devices,” U. S. Patent No. 6,577,040, issued June 10, 2003.
  29. A.-C. Wong and C. T.-C. Nguyen, “Method for making a module including a microplatform,” U. S. Patent No. 6,659,754, issued May 27, 2003.
  30. C. T.-C. Nguyen, “Method and apparatus for selecting at least one desired channel utilizing a bank of vibrating micromechanical apparatus,” U. S. Patent No. 6,566,786, issued May 20, 2003.
  31. J.-B. Yoon and C. T.-C. Nguyen, “High-Q micromechanical device and method of tuning same,” U. S. Patent No. 6,490,147, issued Dec. 3, 2002.
  32. C. T.-C. Nguyen, “Method and apparatus for upconverting and filtering an information signal utilizing a vibrating micromechanical device,” U. S. Patent No. 6,424,074, issued July 23, 2002.
  33. C. T.-C. Nguyen, M. McCorquodale, K. Wang, “Device including a micromechanical resonator having an operating frequency and method of extending the same,” U. S. Patent No. 6,249,073, issued June 19, 2001.
  34. K. Wang and C. T.-C. Nguyen, “Method and system for locally annealing a microstructure formed on a substrate and device formed thereby,” U. S. Patent No. 6,169,321, issued Jan. 2, 2001 (new claims).
  35. K. Wang and C. T.-C. Nguyen, “Method and system for locally annealing a microstructure formed on a substrate and device formed thereby,” U. S. Patent No. 5,976,994, issued Nov. 2, 1999.
  36. C. T.-C. Nguyen and R. T. Howe, “Q-controlled microresonators and tunable electronic filters using such resonators,” U. S. Patent No. 5,955,932, issued Sept. 21, 1999. (This is the second patent to come out under this title; i.e., a whole new set of claims.)
  37. C. T.-C. Nguyen, V. Gutnik, and R. T. Howe, “Mixing, modulation, and demodulation via mechanical resonators,” U. S. Patent No. 5,839,062, issued November 17, 1998.
  38. C. T.-C. Nguyen, L. Lin, R. T. Howe, and A. P. Pisano, “Microelectromechanical signal processors,” U. S. Patent No. 5,537,083, issued July 16, 1996. (This is the second patent to come out under this title; i.e., a whole new set of claims.)
  39. C. T.-C. Nguyen and R. T. Howe, “Q-controlled microresonators and tunable electronic filters using such resonators,” U. S. Patent No. 5,491,604, issued Feb. 13, 1996.
  40. C. T.-C. Nguyen, L. Lin, R. T. Howe, and A. P. Pisano, “Microelectromechanical signal processors,” U. S. Patent No. 5,455,547, issued Oct. 3, 1995.