Los Angeles, CA, United States of America

Daniel Frederic Sievenpiper

This inventor holds 82 USPTO granted patents and 1 EPO patent, primarily in Radio Frequency Technologies (CPC class H01Q1-502). Top assignees: Hrl Laboratories, LLC, Gm Global Technolgoy Operations, Inc., Raytheon Company. Active years: 2001-2023.

USPTO Granted Patents = 82

% Patents Active = 58.5

EPO Patents = 1

Average Co-Inventor Count = 2.1

ph-index = 32

Forward Citations = 3,905(Granted Patents)

Forward Citations (Not Self Cited) = 3,701(Dec 10, 2025)

Inventors with similar research interests:

Location History:

Los Angeles, CA (US) (2001 - 2012)
Santa Monica, CA (US) (2006 - 2012)
San Diego, CA (US) (2014 - 2023)

Company Filing History:

60 out of 2,102

Hrl Laboratories, LLC

patents

12 out of 31,869

Gm Global Technolgoy Operations, Inc.

5. 3 out of 834,411

Other

patents

Years Active: 2001-2023

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Areas of Expertise:

Virtual MIMO

Smart Surfaces

Tunable Frequency Selective Surface

Radio Frequency Transparent Photovoltaic Cell

Impedance Matching

Millimeter Wave Imager

Smart Chaff

Reflectarray

Antenna Structures

Adaptive Surface Sensor Arrays

Diesel Particulate Filter

Leaky Wave Antenna

82 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 11546022 - Virtual MIMO with smart surfaces (2023-01-03),

2. 10971637 - Airship with a radio frequency transparent photovoltaic cell (2021-04-06),

3. 10923611 - Method of fabricating a radio frequency transparent photovoltaic cell (2021-02-16),

4. 9893217 - Radio frequency transparent photovoltaic cell (2018-02-13),

5. 8853528 - Radio frequency transparent photovoltaic cell (2014-10-07),

6. 8339320 - Tunable frequency selective surface (2012-12-25),

7. 8212739 - Multiband tunable impedance surface (2012-07-03),

8. 8179331 - Free-space phase shifter having series coupled inductive-variable capacitance devices (2012-05-15),

9. 8134521 - Electronically tunable microwave reflector (2012-03-13),

10. 8098187 - Wide field of view millimeter wave imager (2012-01-17),

11. 8063833 - Method of achieving an opaque or absorption state in a tunable frequency selective surface (2011-11-22),

12. 8059045 - Antenna having an impedance matching section for integration into apparel (2011-11-15),

13. 7965220 - Smart chaff (2011-06-21),

14. 7929147 - Method and system for determining an optimized artificial impedance surface (2011-04-19),

15. 7911407 - Method for designing artificial surface impedance structures characterized by an impedance tensor with complex components (2011-03-22),

Title: The Innovative Mind of Daniel Frederic Sievenpiper

Introduction: Daniel Frederic Sievenpiper is a renowned inventor based in Los Angeles, CA (US) known for his groundbreaking contributions to the field of technology and engineering.

Latest Patents: Daniel Frederic Sievenpiper holds several patents in the areas of electromagnetic and radiofrequency technologies, with his most recent patent focusing on advanced antenna designs for wireless communication systems.

Career Highlights: With a distinguished career spanning over two decades, Daniel Frederic Sievenpiper has worked in various prestigious research institutions and technology companies, where he has led numerous projects that have resulted in significant technological advancements.

Collaborations: Throughout his career, Daniel Frederic Sievenpiper has collaborated with leading experts in the field, including engineers, scientists, and researchers from top universities and tech companies, to develop innovative solutions and push the boundaries of technology.

Conclusion: Daniel Frederic Sievenpiper's relentless pursuit of innovation and his passion for pushing the limits of technology have solidified his reputation as a visionary inventor in the field of electromagnetic and radiofrequency technologies.