Gyeonggi-do, South Korea

Hojin Jang

This inventor holds 9 USPTO granted patents and 3 EPO patents. Top assignees: Hewlett-Packard Development Company, L.p., Line Plus Corporation. Active years: 2021-2025.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Hojin Jang. Retrieved from https://idiyas.com/inventor/hojin-jang

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 = 3.4

ph-index = 1


Location History:

  • Suwon-si, KR (2021)
  • Gyeonggi-do, KR (2021 - 2022)
  • Seongnam-si, KR (2022 - 2024)

Company Filing History:


Years Active: 2021-2025

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9 patents (USPTO):Explore Patents

Title: Hojin Jang: Innovator in Developing Devices

Introduction

Hojin Jang is a notable inventor based in Gyeonggi-do, South Korea. He has made significant contributions to the field of developing devices, holding a total of eight patents. His work focuses on enhancing the functionality and efficiency of toner cartridges and related technologies.

Latest Patents

One of Hojin Jang's latest patents involves a developing device with a sealing structure designed to seal the shutter for the developer inlet of the developer supply portion. This innovative developing device includes a developing case and a developer supply portion connected to the case, featuring a supply port and a shutter that opens or closes the supply port. A sealing member is attached to the outer circumferential portion of the developer supply portion to prevent leakage of the developer. The design incorporates a slit portion adjacent to the supply port, with the sealing member consisting of a film member that has an opening in communication with the supply port. This film member is equipped with a fixing portion inserted into the slit portion and an elastic sealing member that enhances the sealing capability.

Career Highlights

Hojin Jang has worked with prominent companies in the technology sector, including Hewlett-Packard Development Company, L.P. and Line Plus Corporation. His experience in these organizations has contributed to his expertise in developing innovative solutions in the field of toner cartridges and developing devices.

Collaborations

Hojin Jang has collaborated with several professionals in his field, including Jong-Hyun Park and Jonghyun Park. These collaborations have likely fostered a creative environment that encourages innovation and the development of new technologies.

Conclusion

Hojin Jang is a distinguished inventor whose work in developing devices has led to significant advancements in toner cartridge technology. His patents reflect a commitment to innovation and efficiency in the industry.

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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