New York, NY, United States of America

James D Greenfield

This inventor holds 1 USPTO granted patent. Top assignee: Q-Co Industries, Inc.. Active years: 1995.

IDiyas Innovation Intelligence. (2026). Inventor Profile: James D Greenfield. Retrieved from https://idiyas.com/inventor/james-d-greenfield

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


% Patents Active = 100.0

Average Co-Inventor Count = 2.0

ph-index = 1

Forward Citations = 40(Granted Patents)


Company Filing History:


Years Active: 1995

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1 patent (USPTO):Explore Patents

Title: Innovator Spotlight: James D. Greenfield

Introduction: James D. Greenfield is a notable inventor based in New York, NY, who has made significant contributions to the field of graphic display technology. With one patent to his name, his innovative approach has paved the way for advancements in how characters are displayed on screens.

Latest Patents: Greenfield's patent, titled "Character Scrolling Method and Apparatus," presents a unique method for scrolling graphic characters across a display. This invention enables scrolling at a desired rate and in a specified direction, utilizing fractional scan lines in between vertical blanking intervals. The method also defines the leading and trailing edges of characters and allows for selective alterations in color or shading of pixels, enhancing the visual effects during scrolling.

Career Highlights: As an inventor, James D. Greenfield has demonstrated exceptional skill and creativity in his work at Q-Co Industries, Inc. His dedication to improving display technologies reflects a commitment to pushing the boundaries of innovation within the industry.

Collaborations: Greenfield collaborates closely with his coworker, Samuel J. Huebner, at Q-Co Industries, Inc. Their partnership exemplifies the spirit of teamwork in fostering innovation and addressing complex challenges in technology.

Conclusion: James D. Greenfield's contributions to character display technology not only showcase his inventive spirit but also highlight the potential impact of his patents on future developments in graphic displays. His work serves as an inspiration for aspiring inventors and a testament to the importance of innovation in today's technology-driven world.

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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