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For the Inventor, By the Inventor

Rockville, MD, United States of America

David Bowie Cruickshank

This inventor holds 50 USPTO granted patents and 13 published patent applications and 11 EPO patents, primarily in Magnetic Materials. Top assignees: Skyworks Solutions, Inc., Allumax Tti, LLC. Active years: 2008-2025.

IDiyas Innovation Intelligence. (2026). Inventor Profile: David Bowie Cruickshank. Retrieved from https://idiyas.com/inventor/david-bowie-cruickshank

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

USPTO Granted Patents = 50 

% Patents Active = 100.0

 

Average Co-Inventor Count = 2.8

ph-index = 12

Forward Citations = 329(Granted Patents)

Forward Citations (Not Self Cited) = 44(Dec 10, 2025)


Location History:

  • New Britain, CT (US) (2015)
  • Rockville, MD (US) (2008 - 2024)

Company Filing History:

goldMedal45 out of 2,884 
 
Skyworks Solutions, Inc.
 patents
silverMedal4 out of 5 
 
Allumax Tti, LLC
 patents
where one patent can have more than one assignee

Years Active: 2008-2025

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Areas of Expertise:
Magnetic Materials
Dielectric Constants
High Curie Temperatures
Ferrites
Garnets
Microstrip Circulators
Co-Firing
Tunable Resonators
Impedance Matching
Spinel-Based Oxides
Surface Mount Technology
50 patents (USPTO):Explore Patents
1. 12387861 - Magnetic materials with high curie temperatures and dielectric constants (2025-08-12),
2. 12261344 - High saturation magnetization and high dielectric constant ferrites (2025-03-25),
3. 12234192 - Methods of forming articles having spinel-based oxides containing magnesium, aluminum and titanium (2025-02-25),
4. 12148968 - Integrated microstrip and substrate integrated waveguide circulators/isolators formed with co-fired magnetic-dielectric composites (2024-11-19),
5. 12126066 - Low temperature co-fireable dielectric materials (2024-10-22),
6. 12113264 - Fabrication of surface mount microstrip circulators using a ferrite and ceramic dielectric assembly substrate (2024-10-08),
7. 11987531 - Ultra-high dielectric constant garnet (2024-05-21),
8. 11961644 - Indium containing magnetic garnet materials (2024-04-16),
9. 11958778 - Modified barium tungstate for co-firing (2024-04-16),
10. 11936088 - Co-firing of low firing temperature dielectric materials with high bismuth garnet ferrites for miniaturized isolators and circulators (2024-03-19),
11. 11891340 - Spinel-based oxides containing magnesium, aluminum and titanium and methods of forming articles having same (2024-02-06),
12. 11843152 - Surface mount microstrip circulators using a ferrite and ceramic dielectric assembly substrate (2023-12-12),
13. 11830647 - Magnetic materials with high curie temperatures and dielectric constants (2023-11-28),
14. 11824255 - Modified Ni—Zn ferrites for radiofrequency applications (2023-11-21),
15. 11814301 - Temperature insensitive dielectric constant garnets (2023-11-14),

Title: David Bowie Cruickshank: Innovator in Dielectric Materials

Introduction

David Bowie Cruickshank, based in Rockville, MD, is a noteworthy inventor with an impressive portfolio of 47 patents. His work primarily focuses on advancements in dielectric materials and technologies that have significant applications in modern electronics, particularly in the realm of high-frequency devices.

Latest Patents

Among his latest innovations are methods for forming articles containing spinel-based oxides, particularly those involving magnesium, aluminum, and titanium. This technology enables the creation of co-fireable dielectric materials that can bond without adhesives, enhancing manufacturing efficiency. One of his notable inventions includes a composite article featuring a magnetic portion made of nickel zinc ferrite alongside a non-magnetic portion that consists of a spinel-structured oxide. This oxide maintains a dielectric constant between 7 and 14, which is crucial for various electronic applications.

Additionally, Cruickshank has developed integrated microstrip and substrate integrated waveguide circulators/isolators that can be embedded in substrates. This innovation allows for greater miniaturization of electronic components, making devices suitable for operation in high-frequency ranges, such as those used in 5G technology.

Career Highlights

Cruickshank has made significant strides in his career, having contributed to leading companies in the field, including Skyworks Solutions, Inc. and Allumax Tti, LLC. His expertise and dedication to innovation have led to advancements that benefit the electronics industry and enhance the performance of communication devices.

Collaborations

Throughout his professional journey, Cruickshank has collaborated with several esteemed colleagues, including Michael David Hill and David Martin Firor. These partnerships have fostered a creative environment conducive to pioneering new technologies and refining existing methodologies.

Conclusion

David Bowie Cruickshank stands out as a prolific inventor whose contributions to dielectric materials significantly influence electronic technologies today. His recent patents demonstrate a commitment to innovation and a forward-thinking approach that aligns with the evolving demands of the 5G landscape and beyond.

Profile summary based on public USPTO records.
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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