Orange, CA, United States of America

John F Zumkehr

This inventor holds 24 USPTO granted patents and 3 EPO patents, primarily in Memory Interface Technology. Top assignees: Intel Corporation, Key Control Holding, Inc., Mcdonnell Douglas Corporation. Active years: 1999-2010.

IDiyas Innovation Intelligence. (2026). Inventor Profile: John F Zumkehr. Retrieved from https://idiyas.com/inventor/john-f-zumkehr

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

Calculating rank

% Patents Active = 58.3


Average Co-Inventor Count = 1.9

ph-index = 13

Forward Citations = 785(Granted Patents)


Company Filing History:


Years Active: 1999-2010

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Areas of Expertise:
Memory Devices
Dynamic Timing Adjustments
Voltage Reference
Hybrid Buffer Design
Slew Rate Calibration
Data Eye Centering
Bus Termination
Error Recovery
Instruction Retry
Control Calibration
Delay Variation
Error Detection
24 patents (USPTO):Explore Patents

Title: Innovations and Contributions of John F Zumkehr in Memory Devices and Object Tracking Systems

Introduction

John F Zumkehr, based in Orange, California, is an accomplished inventor with a remarkable portfolio of 24 patents. His contributions span various fields, particularly in memory devices and object tracking systems. Through innovative designs and advanced technology, Zumkehr has left a significant mark on the industry.

Latest Patents

Among Zumkehr's latest patents is the "Reduced Signal Level Support for Memory Devices." This invention involves systems, methods, and apparatuses that support reduced signal levels for memory devices. The design incorporates additional electrical contacts in a host to provide a controllable voltage reference to the memory device, along with driver circuitry to ensure efficient communication.

Another notable patent is the "Object Controlled Access and Inventory System." This intricate system includes a computer, a system controller, and an object storage drawer housed within a security cabinet. It features symmetrically shaped acrylic key fobs equipped with touch memory devices, enabling easy tracking of keys and valuable objects. The design facilitates user interaction with staggered slot spacing, ensuring usability even when the array is nearly occupied.

Career Highlights

Throughout his career, John F Zumkehr has collaborated with notable companies, including Intel Corporation. His work has significantly shaped advancements in memory technology and secure object management systems, showcasing his ability to merge innovative design with practical applications.

Collaborations

In his professional journey, Zumkehr has worked alongside distinguished co-inventors such as James E Chandler and Amir A Abouelnaga. These collaborations have contributed to the development of groundbreaking technologies, reflecting a strong synergy and shared vision among the team.

Conclusion

John F Zumkehr’s inventive spirit and technical expertise have propelled advancements in both memory devices and object tracking systems. His numerous patents not only demonstrate his innovative capabilities but also illustrate his dedication to enhancing technology for practical use. With a promising career ahead, Zumkehr continues to influence the fields of innovation and invention profoundly.

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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