Napa, CA, United States of America

Joseph Countrywood

This inventor holds 3 USPTO granted patents. Top assignee: The Boc Group, Inc.. Active years: 1993-2000.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Joseph Countrywood. Retrieved from https://idiyas.com/inventor/joseph-countrywood

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

Calculating rank

% Patents Active = 100.0

Average Co-Inventor Count = 4.3

ph-index = 3

Forward Citations = 164(Granted Patents)


Company Filing History:


Years Active: 1993-2000

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3 patents (USPTO):Explore Patents

Title: Joseph Countrywood: Innovator in Plasma Technology

Introduction

Joseph Countrywood is a notable inventor based in Napa, CA (US), recognized for his contributions to plasma technology. With a total of 3 patents, he has made significant advancements in the field, particularly in the development of plasma apparatus and methods.

Latest Patents

One of his latest patents is the "Plasma apparatus and method," which features a gas purged counter-electrode. This innovative design prevents the counter-electrode from being covered with dielectric material by flowing gas past a surface of a metal element. The gas purged counter-electrode produces a relatively high-density plasma that effectively acts as the counter-electrode for a coating system. This technology can be utilized with PECVD or sputtering systems. Another significant patent is the "Method for rapid plasma treatments," which describes a plasma treating apparatus useful for coating substrates with thin films that have vapor barrier properties at relatively rapid deposition rates. The apparatus includes an evacuable chamber, an electrically powered electrode defining a plasma-facing surface within the chamber, and a shield spaced a distance transverse to the plasma-facing surface. During plasma treatments, the plasma is confined while a substrate is continuously fed through the confined plasma.

Career Highlights

Joseph Countrywood has established himself as a key figure in the plasma technology sector. His work has led to advancements that enhance the efficiency and effectiveness of plasma treatments in various applications.

Collaborations

He collaborates with notable colleagues, including John Thomas Felts and Hood Chatham, III, contributing to a dynamic and innovative work environment.

Conclusion

Joseph Countrywood's contributions to plasma technology through his patents and collaborative efforts highlight his role as a significant inventor in the field. His work continues to influence advancements in plasma applications and methods.

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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