For the Inventor, By the Inventor

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Bellevue, WA, United States of America

Elwha LLC

USPTO Granted Patents = 1,217

% Expired Patents = 87.5

EPO Patents = 20

Forward Citations = 9,140

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235 inventors (with patents filed for the assignee):

Roderick A Hyde (963 out of 1,893 patents)

Lowell L Wood, Jr (755 out of 1,993 patents)

Jordin T Kare (630 out of 993 patents)

4. Clarence T Tegreene (543 out of 1,251 patents)

5. Nathan P Myhrvold (344 out of 911 patents)

6. Robert W Lord (306 out of 870 patents)

7. Richard T Lord (298 out of 381 patents)

8. Mark A Malamud (276 out of 886 patents)

9. Royce A Levien (257 out of 858 patents)

10. Muriel Y Ishikawa (256 out of 840 patents)

11. Charles Whitmer (191 out of 420 patents)

12. Edward K Y Jung (191 out of 1,122 patents)

13. Victoria Y H Wood (188 out of 573 patents)

14. Eric Leuthardt (174 out of 701 patents)

15. Elizabeth A Sweeney (173 out of 379 patents)

Core Competencies:

Optical Metasurfaces

Acoustic Mode Conversion

Smart Materials

Thermal Signature Control

Porous Silicon Carbide

Beamforming Techniques

Nerve Stimulation

Multimodal Sensors

Holographic Technologies

Wireless Power Delivery

Healthcare Information Management

Environmental Monitoring

1,217 patents: Sort by Forward Citations

1. 11851582 - Thermal signature control structures (2023-12-26),

2. 11789200 - Artificially-structured materials with smart elements (2023-10-17),

3. 11732377 - Methods for fabricating and etching porous silicon carbide structures (2023-08-22),

4. 11600258 - Systems and methods for acoustic mode conversion (2023-03-07),

5. 11450954 - Beamforming via sparse activation of antenna elements connected to phase advance waveguides (2022-09-20),

6. 11364380 - Nerve stimulation system, subsystem, headset, and earpiece (2022-06-21),

7. 11208568 - Thermal signature control structures (2021-12-28),

8. 11124889 - Methods for fabricating and etching porous silicon carbide structures (2021-09-21),

9. 11067687 - Multipath acoustic holography and virtual haptics (2021-07-20),

10. 11037973 - Optical surface-scattering elements and metasurfaces (2021-06-15),

11. 10992325 - Open cavity system for directed amplification of acoustic signals (2021-04-27),

12. 10987048 - Systems, methods, and devices to incentivize inhaler use (2021-04-27),

13. 10971818 - Open cavity system for directed amplification of radio frequency signals (2021-04-06),

14. 10968522 - Fabrication of metallic optical metasurfaces (2021-04-06),

15. 10938115 - Resonance-frequency diverse metamaterials and metasurfaces (2021-03-02),

Company Overview

Elwha LLC, based in Bellevue, WA, specializes in the development of advanced optical metasurfaces and related technologies. The company focuses on innovative solutions in areas such as acoustic mode conversion, smart materials, and thermal signature control. Their expertise extends to porous silicon carbide and beamforming techniques, enabling cutting-edge applications in nerve stimulation and multimodal sensors. Elwha LLC is dedicated to pushing the boundaries of optical technology to create impactful solutions across various industries.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 13 2026

1,217 Patents

#4 in Bellevue, WA

#8 in Washington

#422 in US

#841 in the World

Bellevue, WA, United States of America

Elwha LLC

Forward Citations = 9,140

235 inventors:

Roderick A Hyde (963 out of 1,893 patents)

Lowell L Wood, Jr (755 out of 1,993 patents)

Jordin T Kare (630 out of 993 patents)

4. Clarence T Tegreene (543 out of 1,251 patents)

5. Nathan P Myhrvold (344 out of 911 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Elwha LLC. Retrieved from https://idiyas.com/company/elwha

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]

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