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For the Inventor, By the Inventor

Wilmington, DE, United States of America

John R Humphrey

This inventor holds 4 USPTO granted patents. Top assignee: Em Photonics, Inc.. Active years: 2007-2013.

IDiyas Innovation Intelligence. (2026). Inventor Profile: John R Humphrey. Retrieved from https://idiyas.com/inventor/john-r-humphrey-tryvrk5z

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

USPTO Granted Patents = 4

% Patents Active = 25.0

Average Co-Inventor Count = 3.4

ph-index = 1

Forward Citations = 3(Granted Patents)


Location History:

  • Newark, DE (US) (2007 - 2008)
  • Hockessin, DE (US) (2008)
  • Wilmington, DE (US) (2013)

Company Filing History:

goldMedal4 out of 9 
 
Em Photonics, Inc.
 patents

Years Active: 2007-2013

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4 patents (USPTO):Explore Patents
1. 8495120 - Method for using a graphics processing unit for accelerated iterative and direct solutions to systems of linear equations (2013-07-23),
2. 7340695 - Reformulation of the finite-difference time-domain algorithm for hardware-based accelerators (2008-03-04),
3. 7337265 - Organization of cache memory for hardware acceleration of the finite-difference time-domain method (2008-02-26),
4. 7295939 - Hardware implementation of the pseudo-spectral time-domain method (2007-11-13),

Title: John R. Humphrey: Innovator in Computational Electromagnetics

Introduction

John R. Humphrey is a notable inventor based in Wilmington, DE (US), recognized for his contributions to the field of computational electromagnetics. With a total of 4 patents to his name, he has made significant advancements in the use of graphics processing units (GPUs) for solving complex linear equations.

Latest Patents

One of his latest patents is titled "Method for using a graphics processing unit for accelerated iterative and direct solutions to systems of linear equations." This innovation focuses on enhancing the processing speed of computational electromagnetic methods, such as the Method of Moments (MoM). The methods proposed provide speed and complexity improvements for both direct solutions via Lower-Upper (LU) factorization and iterative methods like the Generalized Minimal Residual (GMRES) method.

Another significant patent is "Reformulation of the finite-difference time-domain algorithm for hardware-based accelerators." This patent outlines a hardware-based acceleration platform for computational electromagnetic algorithms, specifically the finite-difference time-domain (FDTD) method. The reformulation aims to make the FDTD algorithm more compatible with hardware by utilizing split fields at every node in the mesh. This approach allows for a single set of equations to support various sources and simplifies the development of an FDTD accelerator.

Career Highlights

John R. Humphrey is currently associated with Em Photonics, Inc., where he continues to innovate in the field of computational electromagnetics. His work has been instrumental in advancing the capabilities of hardware-based solutions for complex computational problems.

Collaborations

Throughout his career, John has collaborated with notable colleagues, including James P. Durbano and Dennis W. Prather. These collaborations have contributed to the development of cutting-edge technologies in the field.

Conclusion

John R. Humphrey's contributions to computational electromagnetics through his patents and work at Em Photonics, Inc. highlight his role as a leading innovator in the industry. His advancements in GPU utilization and algorithm reformulation continue to influence the field significantly.

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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