Hitachi, Japan

Lee Chahn

This inventor holds 3 USPTO granted patents. Top assignees: Hitachi Koki Co., Ltd., Hitachi Printing Solutions, Ltd.. Active years: 2003-2004.

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

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


% Patents Active = 33.3

Average Co-Inventor Count = 6.1

ph-index = 2

Forward Citations = 8(Granted Patents)


Company Filing History:


Years Active: 2003-2004

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3 patents (USPTO):Explore Patents

Title: The Innovative Contributions of Lee Chahn

Introduction

Lee Chahn is a notable inventor based in Hitachi, Japan. He has made significant contributions to the field of inkjet technology, holding a total of 3 patents. His work focuses on enhancing the efficiency and precision of ink ejection devices.

Latest Patents

Among his latest patents is the "Refresh Ink Ejection Device and Inkjet Recording Device Including the Refresh Ink Ejection Device." This invention features an orifice electrode and ink receiving member attached to a recording head module. The design includes an ink absorbing member embedded in the lower surface of the orifice electrode, which collects ink and prevents the need for a larger gap between the recording head and the recording sheet. This innovation helps maintain recording precision and reduces the risk of paper jams. Additionally, it allows for ink refresh operations using minimal ink without interrupting recording tasks. Another significant patent involves a control device that manages the deflection of ink droplets during flight by redistributing charge, ensuring that both main and satellite ink droplets impact the recording sheet at the same spot, thereby forming a single dot.

Career Highlights

Lee Chahn has worked with prominent companies such as Hitachi Koki Co., Ltd. and Hitachi Printing Solutions, Ltd. His experience in these organizations has contributed to his expertise in developing advanced inkjet technologies.

Collaborations

Throughout his career, Lee has collaborated with talented individuals, including Takahiro Yamada and Kunio Satou. These partnerships have fostered innovation and creativity in his projects.

Conclusion

Lee Chahn's contributions to inkjet technology demonstrate his commitment to innovation and precision in the field. His patents reflect a deep understanding of the complexities involved in ink ejection 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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