Irvine, CA, United States of America

Karman Tam

This inventor holds 1 USPTO granted patent. Top assignee: Mitsumi Electric Company Ltd.. Active years: 1995.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Karman Tam. Retrieved from https://idiyas.com/inventor/karman-tam-438daibh

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 = 3.0

ph-index = 1

Forward Citations = 55(Granted Patents)


Company Filing History:


Years Active: 1995

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1 patent (USPTO):Explore Patents

Title: Karman Tam and Disk Drive Power Control

Introduction

Karman Tam is an inventor associated with Irvine, California, and Mitsumi Electric Company Ltd. His work includes a patent focused on managing power consumption in disk drives, particularly in systems where conserving battery power is important.

Latest Patents

Tam’s listed patent is “Disk Drive Power Control Circuit and Method.” It describes a control system designed to reduce a disk drive’s power consumption, including in very small form factor drives. The approach lets users balance performance and power use according to system requirements.

The circuit uses a microcontroller to manage drive operations and a memory to store operating programs and current-control profiles. It also regulates current to the actuator and spindle motor, helping manage transient power demands when the drive starts mechanical operations. The patent is listed as 1 patent.

Career Highlights

Tam’s patent work addresses a practical challenge in computer design: reducing disk-drive power use to help extend the effective battery life of portable computers. Its control methods coordinate drive performance with power-saving requirements.

Collaborations

Tam is associated with Mitsumi Electric Company Ltd. His listed coworkers include Hanan Kupferman and Erik Moe.

Conclusion

Karman Tam’s patented disk-drive control technology focuses on balancing operational performance with lower power consumption, supporting more efficient use of portable computer batteries.

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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