Roeland Heijna

This inventor holds 10 USPTO granted patents and 1 EPO patent. Top assignees: St-Ericsson Sa, Nxp B.v., Ericsson Modems Sa. Active years: 2003-2020.

USPTO Granted Patents = 10

% Patents Active = 40.0

EPO Patents = 1

Average Co-Inventor Count = 1.8

ph-index = 3

Forward Citations = 22(Granted Patents)

Location History:

Leuvensbroek, NL (2012)
Nijmegen, NL (2003 - 2014)
Well, NL (2016 - 2020)

Company Filing History:

Koninklijke Philips Corporation N.v.

patents

5. 1 out of 44,749

Qualcomm Incorporated

patents

Years Active: 2003-2020

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10 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 10879947 - Antenna Nx-plexer impedance matching network (2020-12-29),

2. 9240919 - Polar modulator (2016-01-19),

3. 8699619 - Dutycycle adjustment to improve efficiency of a digital RF-PA (2014-04-15),

4. 8554158 - Current saving by reduced modulation code and selective gating of RF signal (2013-10-08),

5. 8373491 - Switched current mirror with good matching (2013-02-12),

6. 8339203 - PA load-line tuning with capacitors around a balun (2012-12-25),

7. 8294514 - Calibrate output matching for correct output power (2012-10-23),

8. 7711071 - Setting the slice level in a binary signal (2010-05-04),

9. 7235985 - Method and device for signal amplitude detection (2007-06-26),

10. 6661300 - Ring oscillator and means for controlling the frequency thereof (2003-12-09),

Title: Roeland Heijna: Innovator in Antenna and Modulation Technologies

Introduction

Roeland Heijna is a notable inventor based in Nijmegen, Netherlands. He has made significant contributions to the fields of antenna technology and modulation systems. With a total of 10 patents to his name, Heijna's work reflects a deep understanding of complex engineering principles.

Latest Patents

Among his latest innovations is the "Antenna Nx-plexer impedance matching network." This invention focuses on creating an Nx-plexer that effectively matches a set of N filters with distinct passbands to an antenna. The Nx-plexer incorporates a series of reactive elements or networks, which are strategically arranged to optimize performance. Another significant patent is the "Polar modulator," which features a modulation generator designed to produce both phase and amplitude modulation data. This device enhances the efficiency of signal processing by utilizing advanced techniques to manage carrier signals.

Career Highlights

Throughout his career, Roeland Heijna has worked with prominent companies such as St-Ericsson and NXP B.V. His experience in these organizations has allowed him to refine his skills and contribute to groundbreaking projects in the telecommunications sector.

Collaborations

Heijna has collaborated with notable professionals in his field, including Hendrik Arend Visser and Norbert Van Den Bos. These partnerships have fostered innovation and have led to the development of advanced technologies.

Conclusion

Roeland Heijna's contributions to antenna and modulation technologies highlight his expertise and innovative spirit. His patents not only showcase his technical skills but also his commitment to advancing the field of engineering.