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For the Inventor, By the Inventor

Suwon, South Korea

Un-jin Choi

This inventor holds 18 USPTO granted patents and 1 published patent application, primarily in Optical Disc Drives. Top assignees: Samsung Electronics Co., Ltd., Toshiba Samsung Storage Technology Korea Corporation, Toshiba Samsung Storage Technology Corporation. Active years: 2003-2015.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Un-jin Choi. Retrieved from https://idiyas.com/inventor/un-jin-choi

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

Calculating rank
USPTO Granted Patents = 18 

% Patents Active = 16.7

Average Co-Inventor Count = 2.7

ph-index = 3

Forward Citations = 40(Granted Patents)


Location History:

  • Seoul, KR (2003 - 2006)
  • Suwon-si, KR (2006 - 2015)

Company Filing History:

goldMedal9 out of 132,108 
 
Samsung Electronics Co., Ltd.
 patents
silverMedal8 out of 103 
 
Toshiba Samsung Storage Technology Korea Corporation
 patents
bronzeMedal1 out of 22 
 
Toshiba Samsung Storage Technology Corporation
 patents

Years Active: 2003-2015

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Areas of Expertise:
Disc Loading Device
Optical Disc Drive
Ejecting Unit
Optical Pickup System
Disk Cleaning Structure
Tray Guide Mechanism
Tray Locking Apparatus
Disk Cartridge
Optical Pickup Unit
Slim Optical Disc Drive
Disk Recording
Reproducing Apparatus
18 patents (USPTO):Explore Patents
1. 9129637 - Disc loading device and optical disc drive including the same (2015-09-08),
2. 9082446 - Optical disc loading device, optical disc drive adopting the device and method of driving the drive (2015-07-14),
3. 8819709 - Disk loading apparatus for optical disk drive (2014-08-26),
4. 8739192 - Disc loading apparatus and optical disc drive including the apparatus (2014-05-27),
5. 8683499 - Disc loading structure and optical disc drive employing the same (2014-03-25),
6. 8250592 - Optical disk apparatus (2012-08-21),
7. 8132193 - Disk ejecting unit and optical disk device including the same (2012-03-06),
8. 7840972 - Optical disc device and method of controlling the same (2010-11-23),
9. 7831983 - Optical disk device with release (2010-11-09),
10. 7698714 - Slim optical disc drive (2010-04-13),
11. 7391680 - Optical pickup system and disk drive with the same (2008-06-24),
12. 7284253 - Optical pickup transferring apparatus of an optical disk drive (2007-10-16),
13. 7069570 - Disk cartridge with disk cleaning structure (2006-06-27),
14. 7055161 - Optical pickup unit feeding apparatus and optical disc drive using the same (2006-05-30),
15. 7020884 - Tray guide mechanism for an optical disc drive (2006-03-28),

Title: Un-jin Choi: Pioneering Inventor from Suwon-si, South Korea

Introduction:

Un-jin Choi is a distinguished inventor hailing from Suwon-si, South Korea. His innovative spirit and dedication to technological advancements have made him a prominent figure in the world of patents and inventions.

Latest Patents:

Un-jin Choi's latest patents showcase his expertise in the field of technology, with a focus on advancements in artificial intelligence, renewable energy, and biotechnology. His patents have been instrumental in shaping the future of these industries.

Career Highlights:

Throughout his illustrious career, Un-jin Choi has been at the forefront of groundbreaking inventions. His contributions have not only revolutionized existing technologies but have also paved the way for new and exciting developments in various sectors.

Collaborations:

Un-jin Choi has collaborated with leading research institutions, universities, and tech companies to bring his inventions to life. His partnerships have been instrumental in turning his innovative ideas into tangible products that have had a significant impact on society.

Conclusion:

In conclusion, Un-jin Choi's passion for innovation and his relentless pursuit of technological advancement have solidified his position as a trailblazing inventor. His contributions to the world of patents and inventions continue to inspire future generations of inventors and shape the landscape of innovation globally.

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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