Hsinchu, Taiwan

Ching-Jiang Hsieh

This inventor holds 1 USPTO granted patent. Top assignee: Mediatek Corporation. Active years: 2001.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Ching-Jiang Hsieh. Retrieved from https://idiyas.com/inventor/ching-jiang-hsieh

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

Calculating rank

% Patents Active = 100.0

Average Co-Inventor Count = 2.0

ph-index = 1

Forward Citations = 4(Granted Patents)


Company Filing History:


Years Active: 2001

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1 patent (USPTO):Explore Patents

Title: Ching-Jiang Hsieh and Optical Disc Drive Focusing

Introduction

Ching-Jiang Hsieh is an inventor associated with Hsinchu, Taiwan, and MediaTek Corporation. His patent work addresses a practical challenge in optical disc drive manufacturing and operation: accurately setting the pickup head’s focus.

Latest Patents

Hsieh is credited with 1 patent: “Apparatus and Method for Adjusting the Pickup Head of an Optical Disc Drive to Optimal Focus Point.” The invention uses a tree-structured search algorithm to automatically adjust the pickup head to its optimal focus point. It is designed to remove the need for laborious manual adjustment during manufacturing and to compensate for imbalances in the focusing error signal whenever the drive starts. This can help the drive perform access operations more reliably. The digital implementation is also intended to be straightforward and economical to manufacture.

Career Highlights

Hsieh’s listed invention focuses on improving the calibration and reliability of optical disc drives through automated adjustment. The patent identifies MediaTek Corporation as his company affiliation.

Collaborations

Hsieh’s listed coworker is Sheng-Yunn Wang, a woman. The available information does not specify her role in the patent or the nature of their collaboration.

Conclusion

Ching-Jiang Hsieh’s patent presents a digital, automated approach to optical disc drive focusing that aims to simplify manufacturing adjustments and support more reliable operation.

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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