Gyeonggi-do, South Korea

Han-kook Choi

This inventor holds 43 USPTO granted patents, primarily in Optical Disc Technology. Top assignees: Samsung Electronics Co., Ltd., Matsushita Electric Industrial Co., Ltd.. Active years: 1997-2009.


% Patents Active = 51.2

Average Co-Inventor Count = 3.5

ph-index = 6

Forward Citations = 115(Granted Patents)


Location History:

  • Suwon-si, JP (2004)
  • Suwon-si, KR (2004 - 2008)
  • Suwon, KR (1997 - 2009)
  • Gyeonggi-do, KR (2004 - 2009)

Company Filing History:


Years Active: 1997-2009

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Areas of Expertise:
Optical Disc
Disk Cartridge
Information Recording
Optical Pickup
Heatsink Assembly
High-Density Optical Disc
Disk Drive Apparatus
Disk Clamping
Cartridge Design
Optical Recording
Actuator Technology
Sensor Mechanism
43 patents (USPTO):Explore Patents

Title: Innovator Spotlight: Han-kook Choi and His Contributions to Modern Technology

Introduction: Han-kook Choi, based in Gyeonggi-do, South Korea, is a prominent inventor known for his remarkable contributions to the field of information technology. With an impressive portfolio of 43 patents, Choi has made significant strides in developing innovative solutions that enhance data recording and optical disk technology.

Latest Patents: Two of Han-kook Choi's latest patents exemplify his inventive capabilities. The first, titled "Cartridge for an Information Recording Medium," describes a cartridge that features a cartridge case with an opening cover, designed to allow for easy withdrawal or insertion of the information recording medium. This invention includes a holding unit that prevents movement of the medium, ensuring its stability when not in use. The holding unit incorporates elastic pressure parts that support the medium when the cover is detached and a release unit to enable rotation when the cover is attached.

His second patent, "Hub-mounted Optical Disk Having a Reduced Height," focuses on optimizing the design of optical disks by eliminating the need for a separate stack ring. This innovation not only decreases the overall height of the disk but also outlines a method for its fabrication. The disk features a hollowed substrate and an indented portion that allows for improved manufacturing processes. The crafting method employs a UV hardening resin and specialized equipment to create the optical disk substrate effectively.

Career Highlights: Throughout his career, Han-kook Choi has worked with reputable companies, notably Samsung Electronics Co., Ltd. and Matsushita Electric Industrial Co., Ltd. His experience in these industry-leading organizations has contributed greatly to his development as a renowned inventor and innovator.

Collaborations: Han-kook Choi has collaborated with several talented individuals during his career. Among them are fellow innovators In-sik Park and Young-sun Seo, whose collective efforts have propelled advancements in technology and innovation in their respective fields.

Conclusion: Han-kook Choi's contributions through his numerous patents and innovative designs have made a significant impact on the realms of information technology and optical storage solutions. His dedication to advancing technology continues to inspire future inventors and innovators alike. As we look forward to future developments from this prolific inventor, Han-kook Choi's work undoubtedly plays a crucial role in shaping the future of technology.

Profile summary based on public USPTO records.
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