Cheonan, South Korea

Donghwa Lee

This inventor holds 2 USPTO granted patents and 4 published patent applications. Top assignee: Semes Co., Ltd.. Active years: 2022-2023.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Donghwa Lee. Retrieved from https://idiyas.com/inventor/donghwa-lee

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

USPTO Granted Patents = 2 

% Patents Active = 100.0

Average Co-Inventor Count = 5.5

ph-index = 1


Company Filing History:


Years Active: 2022-2023

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2 patents (USPTO):Explore Patents

Title: Innovations of Donghwa Lee

Introduction

Donghwa Lee is a notable inventor based in Cheonan-si, South Korea. He has made significant contributions to the field of liquid chemical discharging apparatuses, holding two patents that showcase his innovative spirit and technical expertise.

Latest Patents

One of his latest patents is an ink tank for a liquid chemical discharging apparatus. This invention is designed to prevent equipment failure and improve durability by preventing the scattering and backflow of liquid chemicals. The ink tank includes a liquid chemical receiving portion for storage, a discharge port for supplying the liquid to an inkjet head, a pressure control port for managing the pressure, and a partition wall to separate the liquid chemical receiving portion.

Another significant patent is the real-time drop information measurement unit and real-time discharging droplet compensating apparatus and method. This invention allows for real-time compensation of the discharging degree by feeding back drop information. It includes a discharge control unit that manages the inkjet head's operation and a drop measurement unit that measures droplet information on a substrate. This innovation enables the measurement of drop position, size, and volume simultaneously, enhancing the efficiency of the inkjet head unit.

Career Highlights

Donghwa Lee is currently employed at Semes Co., Ltd., where he continues to develop cutting-edge technologies in the field of liquid chemical discharging systems. His work has significantly impacted the efficiency and reliability of inkjet printing technologies.

Collaborations

He collaborates with talented coworkers, including Daigeon Yoon and Jaeyong Choi, who contribute to the innovative projects at Semes Co., Ltd. Their teamwork fosters a creative environment that leads to groundbreaking inventions.

Conclusion

Donghwa Lee's contributions to the field of liquid chemical discharging apparatuses highlight his innovative capabilities and dedication to advancing technology. His patents reflect a commitment to improving the efficiency and reliability of inkjet systems, making him a valuable figure 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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