Alexandria, VA, United States of America

Karl D Hobart

This inventor holds 78 USPTO granted patents and 14 published patent applications, primarily in Semiconductor Devices (CPC class H01L). Top assignees: USA as Represented by Secretary of the Navy, Intersil Corporation, Intersil Americas Inc.. Active years: 2000-2026.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Karl D Hobart. Retrieved from https://idiyas.com/inventor/karl-d-hobart

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

USPTO Granted Patents = 78 

% Patents Active = 78.2

Average Co-Inventor Count = 3.8

ph-index = 18

Forward Citations = 2,014(Granted Patents)

Forward Citations (Not Self Cited) = 1,948(Dec 10, 2025)


Inventors with similar research interests:


Location History:

  • Upper Marboro, MD (US) (2005)
  • Upper Marlboro, MD (US) (2000 - 2017)
  • Alexandria, VA (US) (2015 - 2024)

Company Filing History:


Years Active: 2000-2026

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Areas of Expertise:
Semiconductor Devices
GaN Materials
Heterojunctions
Silicon Carbide
III-Nitride
Transistors
Diamond Structures
Photoconductive Switches
MEMS Gyroscope
High Electron Mobility
Doping Techniques
Thermal Management
78 patents (USPTO):Explore Patents

Title: Karl D Hobart: Innovating with Silicon Carbide and Diamond Films

Introduction:

In the world of semiconductor materials and microelectromechanical systems (MEMS), the name Karl D Hobart shines brightly. Hailing from Alexandria, VA in the United States, Hobart has made a significant impact with his groundbreaking inventions and patents. With an impressive portfolio of 64 patents, his contributions have driven advancements in silicon carbide structures, diamond films, and more. This article explores the latest patents from Karl D Hobart and highlights his career achievements and collaborations.

Latest Patents:

1. Silicon Carbide Structure, Device, and Method: This patent showcases Hobart's expertise in fabricating suspended beam silicon carbide MEMS structures with low capacitance and excellent thermal expansion match. By employing hexagonal single-crystal SiC material, Hobart's invention achieves a high-quality bond between the substrate and suspended material structure without the need for them to be directly attached.

2. Diamond on Nanopatterned Substrate: Hobart's second patent focuses on growing polycrystalline diamond films with precisely engineered grain growth and microstructure. He achieves this by leveraging nanopatterned substrates, featuring patterns on the scale of the initial grain size of the diamond film. The result is a refined crystal texture, favoring the desired <110> orientation, which greatly enhances the thermal conductivity of the diamond film.

Career Highlights:

Throughout his career, Karl D Hobart has been associated with prestigious organizations that value innovation and cutting-edge research. Two notable highlights include his collaborations with:

1. The United States of America, as Represented by the Secretary of the Navy: Hobart's association with the U.S. Navy is a testament to his commitment to advancing technology for military applications. His work has likely contributed to the development of high-performance MEMS devices incorporated into Navy systems.

2. Intersil Corporation: Hobart's collaboration with Intersil Corporation further showcases his versatility and expertise in semiconductor materials. Intersil Corporation is renowned for its cutting-edge products and solutions, and Hobart's contributions have undoubtedly played a crucial role in their advancements.

Collaborations:

Karl D Hobart has had the pleasure of working alongside some remarkable individuals, including Francis J Kub and Travis J Anderson. While further details of their collaborations are not provided, it is clear that Hobart has engaged with talented colleagues who have collectively contributed to the field of semiconductor materials and MEMS research.

Conclusion:

With 64 patents to his name, including the pioneering work on silicon carbide structures and diamond films, Karl D Hobart is a remarkable innovator in the field of semiconductor materials. His achievements in fabricating suspended beam silicon carbide MEMS structures and engineering the grain growth of diamond films are remarkable contributions to the industry. Collaborations with renowned organizations like the U.S. Navy and Intersil Corporation showcase his ability to translate research into practical applications. Karl D Hobart's innovative spirit continues to shape the landscape of cutting-edge technologies and advancements in the field.

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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