San Jose, CA, United States of America

David A Holmstrom

This inventor holds 2 USPTO granted patents and 1 published patent application. Top assignee: International Business Machines Corporation. Active years: 1993.

IDiyas Innovation Intelligence. (2026). Inventor Profile: David A Holmstrom. Retrieved from https://idiyas.com/inventor/david-a-holmstrom-pln7gwnm

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

Calculating rank
USPTO Granted Patents = 2 

% Patents Active = 100.0

Average Co-Inventor Count = 4.0

ph-index = 2

Forward Citations = 14(Granted Patents)


Company Filing History:


Years Active: 1993

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2 patents (USPTO):Explore Patents

Title: David A. Holmstrom: Optical Data Storage Inventor

Introduction

David A. Holmstrom is an inventor associated with San Jose, California. His work includes optical disk drive designs intended to protect sensitive optical components from contamination and airflow. He is associated with International Business Machines Corporation and holds 2 patents.

Latest Patents

Holmstrom’s listed patents address airflow management and particle protection in optical data storage systems. Both describe an optical disk drive housed behind a centrally pivoted door. When an optical disk cartridge is inserted, it engages a sealing member that divides the drive into two compartments. The first compartment houses electronics that require cooling, while the second contains the optical elements.

The designs allow airflow to cool the electronics while limiting its passage into the compartment containing the optical elements. An airfoil positioned above those elements helps shield them from airflow generated by the spinning disk. The patents are titled “Optical Data Storage System with Reduced Particle Contamination” and “Optical Data Storage System with Airflow Deflecting Member.”

Career Highlights

Holmstrom’s patent work reflects an engineering focus on managing airflow within optical disk drives. By separating cooling needs from the environment around delicate optical components, the designs aim to reduce contamination and protect system performance.

Collaborations

Holmstrom’s listed coworkers include Edward M. Engler and Stephen L. Heesacker. His work is associated with International Business Machines Corporation.

Conclusion

David A. Holmstrom’s patents describe practical approaches to airflow control and optical-component protection in data storage systems.

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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