Seoul, South Korea

Yang-Hyun Seok

This inventor holds 1 USPTO granted patent. Top assignee: Ricoh Company, Ltd.. Active years: 2012.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Yang-Hyun Seok. Retrieved from https://idiyas.com/inventor/yang-hyun-seok

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

Calculating rank

Average Co-Inventor Count = 5.0

ph-index = 1


Company Filing History:


Years Active: 2012

Loading Chart...
1 patent (USPTO):Explore Patents

Title: Yang-Hyun Seok and Optical Disk Technology.

Introduction

Yang-Hyun Seok is an inventor associated with Seoul, South Korea, and Ricoh Company, Ltd. His patent work concerns optical disk technology, particularly the mechanism that positions an objective lens to focus a laser beam on a disk.

Latest Patents

Seok is credited with 1 patent. His patent, “Objective Lens Drive Apparatus Where Interaction of Drive Magnets and Drive Coils Drive a Holding Member That Holds the Objective Lens and Optical Pickup and Optical Disk Apparatus Including the Same,” describes an apparatus for moving an objective lens used to focus a laser beam on an optical disk.

The design includes a holding member for the lens, opposing drive magnets with protruding end portions, and multiple drive coils. Interaction between the magnets and coils moves the holding member, supporting lens positioning in the tracking and tangential directions.

Career Highlights

Seok’s listed work connects him with Ricoh Company, Ltd., a company whose technologies include imaging and optical systems. His patent reflects an engineering focus on the components that enable precise movement within optical disk apparatus.

Collaborations

No-Cheol Park and Dong-Ju Lee are identified as Seok’s coworkers. Their names are associated with the professional context surrounding his work.

Conclusion

Yang-Hyun Seok’s patent documents a lens-drive design that uses interacting magnets and coils to position an objective lens in optical disk equipment.

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]
Loading…