San Jose, CA, United States of America

Alena Chang

This inventor holds 1 USPTO granted patent. Top assignee: International Business Machines Corporation. Active years: 1999.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Alena Chang. Retrieved from https://idiyas.com/inventor/alena-chang

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 = 4.0

ph-index = 1

Forward Citations = 3(Granted Patents)


Company Filing History:


Years Active: 1999

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1 patent (USPTO):Explore Patents

Title: Alena Chang: Innovator in Data Processing Systems

Introduction

Alena Chang is a prominent inventor based in San Jose, California. She has made significant contributions to the field of data processing systems, showcasing her expertise through her innovative patent.

Latest Patents

Alena holds a patent for a "System for controlling connection requests by each IO controllers." This data processing system includes a central processing complex with one or more processor units, each equipped with input/output channels. The system features a transmission medium connected to these channels and peripheral device controllers for managing direct access storage devices. The invention addresses the complexities of systems with multiple input/output channels by incorporating a switching mechanism that facilitates connections between various controllers and channels. Additionally, it employs an automatic frame transmission function that manages the transmission of information frames, utilizing a queue of reconnection requests controlled by a state machine.

Career Highlights

Alena Chang is currently employed at International Business Machines Corporation (IBM), where she continues to develop innovative solutions in data processing. Her work has garnered attention for its practical applications and efficiency improvements in technology.

Collaborations

Throughout her career, Alena has collaborated with notable colleagues, including Paul P Carreiro and Duc Tich Doan. These partnerships have contributed to her success and the advancement of her projects.

Conclusion

Alena Chang is a remarkable inventor whose work in data processing systems exemplifies innovation and technical expertise. Her contributions continue to impact the field significantly.

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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