Lexington, KY, United States of America

Praful M Shah

This inventor holds 1 USPTO granted patent. Top assignee: International Business Machines Corporation. Active years: 1990.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Praful M Shah. Retrieved from https://idiyas.com/inventor/praful-m-shah

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 = 9.0

ph-index = 1

Forward Citations = 41(Granted Patents)


Company Filing History:


Years Active: 1990

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1 patent (USPTO):Explore Patents

Title: Innovations in Laser Technology: The Contributions of Praful M Shah

Introduction

Praful M Shah, an inventive mind from Lexington, KY, has made significant strides in the field of laser technology. With one patent to his name, he has developed an innovative solution designed to enhance the functionality and safety of laser printers.

Latest Patents

Shah's notable patent, titled "Laser printer with light-exposure prevention," addresses a critical concern in laser printer operation. The invention includes a design where the absence of a replaceable cartridge or shroud assembly causes both electrical and mechanical interlocks to activate. This design ensures that the light source remains turned off unless the cartridge is correctly installed, thus preventing unwanted exposure to light that could cause operational issues.

The mechanism includes a shutter that blocks the normal light path, which only moves aside when a cartridge is inserted. Additionally, the walls surrounding the shutter on the cartridge create a protective light baffle, ensuring the printhead remains safe and effective.

Career Highlights

Praful M Shah is affiliated with the International Business Machines Corporation (IBM), where he continues to push the boundaries of technology. His work on laser printers exemplifies his commitment to implementing safety measures and improving user experience through innovative designs.

Collaborations

Throughout his career, Shah has worked alongside esteemed colleagues, including Charles S Aldrich and James A Craft. Their collective expertise in technology and engineering serves to enrich the innovation process, contributing to groundbreaking advancements in their field.

Conclusion

Praful M Shah stands out as a figure of innovation within the realm of laser technology. His patent, which showcases a unique approach to light-exposure prevention in laser printers, highlights his dedication to enhancing printer safety and functionality. As he continues his work with IBM, the potential for future inventions remains promising, paving the way for continued advancements in printing technology.

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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