Yongin, South Korea

Woong-Yong Choi

This inventor holds 17 USPTO granted patents and 7 EPO patents, primarily in Printer Technology. Top assignees: Hewlett-Packard Development Company, L.p., Samsung Electronics Co., Ltd., S-Printing Solution Co., Ltd.. Active years: 2014-2023.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Woong-Yong Choi. Retrieved from https://idiyas.com/inventor/woong-yong-choi

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 = 4.8

ph-index = 5

Forward Citations = 65(Granted Patents)


Location History:

  • Kyunggi-do, KR (2014)
  • Yongin-si, KR (2014 - 2021)
  • Suwon-si, KR (2020 - 2021)
  • Seongnam-si, KR (2022 - 2023)

Company Filing History:


Years Active: 2014-2023

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Areas of Expertise:
Toner Refill Cartridge
Developing Apparatus
Electrophotographic
Printer Technology
Cartridge Design
Imaging Efficiency
Print Particle Replenishment
Toner Reload Kit
Cartridge Structure
Image Forming Apparatus
Development Cartridge
Toner Inlet Shutter
17 patents (USPTO):Explore Patents

Title: The Innovative Contributions of Woong-Yong Choi

Introduction

Woong-Yong Choi is a prominent inventor based in Yongin-si, South Korea. He has made significant contributions to the field of technology, particularly in the development of devices related to print particle replenishment and toner refill cartridges. With a total of 17 patents to his name, Choi's work has had a substantial impact on the industry.

Latest Patents

One of Choi's latest patents is the print particle replenishment device. This device features a rotating member that rotates about a central axis, with an opening offset from the central axis. The design includes a nozzle that slides with respect to the interior plane of the rotating member, allowing for the transfer of print particles when in an open position. Another notable patent is the toner refill cartridge, which includes a body, a plunger, and a weight part designed to prevent blockage of the toner discharging portion. This innovative design ensures efficient toner dispensing and enhances the overall functionality of the cartridge.

Career Highlights

Choi has worked with leading companies in the technology sector, including Samsung Electronics Co., Ltd. and Hewlett-Packard Development Company, L.P. His experience in these organizations has allowed him to refine his skills and contribute to groundbreaking innovations in printing technology.

Collaborations

Throughout his career, Choi has collaborated with talented individuals such as Jong-in Kim and Ho-jin Jang. These partnerships have fostered a creative environment that has led to the development of several of his patents.

Conclusion

Woong-Yong Choi's contributions to the field of technology, particularly in print particle replenishment and toner refill systems, showcase his innovative spirit and dedication to advancing the industry. His extensive patent portfolio reflects his commitment to creating effective solutions that enhance printing technology.

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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