San Jose, CA, United States of America

Robert David Armitage

This inventor holds 23 USPTO granted patents and 11 published patent applications and 5 EPO patents, primarily in LED Technology. Top assignees: Lumileds LLC, Panasonic Corporation, Riken Corporation. Active years: 2012-2026.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Robert David Armitage. Retrieved from https://idiyas.com/inventor/robert-david-armitage

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

Calculating rank
USPTO Granted Patents = 23 

% Patents Active = 87.0

 

Average Co-Inventor Count = 2.0

ph-index = 4

Forward Citations = 55(Granted Patents)


Location History:

  • Goleta, CA (US) (2012)
  • Katano, JP (2013)
  • San Jose, CA (US) (2020)
  • Los Altos, CA (US) (2013 - 2022)
  • Cupertino, CA (US) (2021 - 2024)

Company Filing History:


Years Active: 2012-2026

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Areas of Expertise:
Light-Emitting Diode
III-Nitride
Multi-Wavelength
Nucleation Layer
Optical Element
Visible Light Communication
Tunable Emission
Sapphire Substrate
Oxygen Concentration
High Density Textures
Color Conversion
Compound Semiconductor
23 patents (USPTO):Explore Patents

Title: Innovations of Robert David Armitage: Pioneering III-Nitride LED Technologies

Introduction

Robert David Armitage, based in San Jose, California, is a prominent inventor with a remarkable portfolio of 21 patents. His innovations primarily focus on advanced light-emitting diode (LED) technologies, which significantly contribute to the fields of electronics and optoelectronics. This article delves into his latest patents, career highlights, and collaborations that have shaped his impressive career in technology.

Latest Patents

Armitage's recent inventions include groundbreaking patents on III-nitride multi-wavelength LED arrays. One notable patent describes an LED array that features a first mesa with a top surface, incorporating at least a first LED. This first LED consists of a p-type layer, an n-type layer, and a color active region, along with a tunnel junction. The second n-type layer has a composition of more than 10% aluminum mole fraction, while also incorporating layers with less than 10% aluminum. This configuration optimizes the performance of the LED array by allowing effective light emission across multiple wavelengths.

Another significant patent by Armitage outlines the design and manufacturing methods for LED arrays. It describes the architecture comprising a first and adjacent mesa, complete with truncations that ensure efficient electrical contact and light generation. These innovative designs play a crucial role in enhancing the capabilities and efficiency of LED technology.

Career Highlights

Robert David Armitage has built a solid career in optoelectronics, having worked with renowned companies in the industry. His experience includes significant roles at Lumileds LLC and Panasonic Corporation, where he contributed to the development of advanced lighting technologies. His work has not only led to numerous patents but has also garnered recognition in the technological community for addressing critical challenges in LED performance and manufacturability.

Collaborations

Throughout his career, Armitage has collaborated with esteemed colleagues, including Isaac Wildeson and Parijat Deb. These collaborations have fostered an environment of teamwork and innovation, enabling the development of state-of-the-art lighting solutions that continue to impact various sectors.

Conclusion

Robert David Armitage is a distinguished inventor whose contributions to III-nitride LED technology have made a significant impact in the industry. With a growing number of patents that exemplify innovation and practical applications, Armitage's work is set to inspire future advancements in the field of optoelectronics. His collaborations and experience within leading technology companies underscore his role as a key player in the ongoing evolution of lighting technologies.

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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