Company Filing History:

25 out of 114

Paratek Microwave Incorporated

patents

4 out of 5,890

Blackberry Corporation

patents

2 out of 4,495

Research in Motion Corporation

patents

Years Active: 2002-2017

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31 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 9847807 - Wide band antenna systems (2017-12-19),

2. 9698758 - Methods for tuning an adaptive impedance matching network with a look-up table (2017-07-04),

3. 8957742 - Methods for tuning an adaptive impedance matching network with a look-up table (2015-02-17),

4. 8674783 - Methods for tuning an adaptive impedance matching network with a look-up table (2014-03-18),

5. 8421548 - Methods for tuning an adaptive impedance matching network with a look-up table (2013-04-16),

6. 8395459 - Methods for tuning an adaptive impedance matching network with a look-up table (2013-03-12),

7. 8072285 - Methods for tuning an adaptive impedance matching network with a look-up table (2011-12-06),

8. 7154357 - Voltage tunable reflective coplanar phase shifters (2006-12-26),

9. 7145415 - Electrically tunable filters with dielectric varactors (2006-12-05),

10. 7034636 - Tunable filters having variable bandwidth and variable delay (2006-04-25),

11. 6903633 - Electronic tunable filters with dielectric varactors (2005-06-07),

12. 6876279 - Voltage tunable laminated dielectric materials for a coplanor waveguide (2005-04-05),

13. 6864840 - Serially-fed phased array antennas with dielectric phase shifters (2005-03-08),

14. 6801104 - Electronically tunable combline filters tuned by tunable dielectric capacitors (2004-10-05),

15. 6801102 - Tunable filters having variable bandwidth and variable delay (2004-10-05),

Title: The Innovations of Yongfei Zhu

Introduction

Yongfei Zhu, based in Columbia, MD, is an accomplished inventor with a remarkable portfolio of 31 patents. His work primarily focuses on advancements in communication technologies, showcasing his significant contributions to the field.

Latest Patents

Among his latest innovations are two noteworthy patents. The first is a patent for a wide band antenna system. This system includes a communication device with a matching network for impedance tuning, designed to incorporate pairs of antennas that serve as primary and diversity antennas, providing high radiation efficiency. Additionally, an RF switch is utilized for re-configuring the antennas, enhancing the overall functionality of the device.

The second patent details methods for tuning an adaptive impedance matching network using a look-up table. This process involves generating a look-up table that relates various complex reflection coefficients to matched states of a tunable matching network. Key steps include measuring complex reflection coefficients from different impedance loads, determining matched states for these loads, and interpolating coefficients into a set with predetermined step sizes. Both patents exemplify innovative techniques that reflect Zhu's commitment to pushing the boundaries of communication technology.

Career Highlights

Yongfei Zhu has made significant strides in his career by collaborating with notable companies such as Paratek Microwave Incorporated and BlackBerry Corporation. His experiences in these leading tech environments have undoubtedly shaped his perspective and expertise in the field.

Collaborations

Throughout his journey, Zhu has worked alongside talented individuals, including coworkers Louise C. Sengupta and Xubai Zhang. These collaborations have contributed to the rich tapestry of ideas and innovations that characterize his work.

Conclusion

In conclusion, Yongfei Zhu is a prominent figure in the realm of innovation, particularly in the development of advanced communication technologies. His extensive patent portfolio speaks to his ingenuity and dedication, and his collaborations with industry leaders continue to foster advancements in the field. As technology evolves, Zhu's contributions will likely play a pivotal role in shaping the future of communication devices.

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