Mitaka, Japan

Yousuke Tatsumi

This inventor holds 4 USPTO granted patents. Top assignees: Copyer Co., Ltd., Canon Finetech Inc.. Active years: 2002-2004.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Yousuke Tatsumi. Retrieved from https://idiyas.com/inventor/yousuke-tatsumi

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

Calculating rank

% Patents Active = 25.0

Average Co-Inventor Count = 3.0

ph-index = 2

Forward Citations = 24(Granted Patents)


Company Filing History:


Years Active: 2002-2004

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4 patents (USPTO):Explore Patents

Title: Yousuke Tatsumi: Innovator in Ink Supply Technology

Introduction

Yousuke Tatsumi is a notable inventor based in Mitaka, Japan. He has made significant contributions to the field of ink supply technology, holding a total of four patents. His innovative designs have improved the efficiency and reliability of ink delivery systems.

Latest Patents

Among his latest patents is a recording material cutting device, which enhances the precision of cutting materials used in printing. Another significant invention is an ink supply device and ink filling method. This method involves inserting an ink supply pipe into a sponge to reach a central or lower portion where the ink density is higher. This design allows for stable ink feeding to the nozzle while minimizing the influence of air introduced through the ink supply tube and pipe. Additionally, lateral holes for ink discharge are provided on the side wall of the ink supply pipe, ensuring a sufficient amount of ink can be supplied even when the sponge is compressed.

Career Highlights

Yousuke Tatsumi has worked with prominent companies in the industry, including Copyer Co., Ltd. and Canon Finetech Inc. His experience in these organizations has allowed him to refine his skills and contribute to advancements in ink technology.

Collaborations

Throughout his career, Tatsumi has collaborated with talented individuals such as Tomohiro Ishitsu and Kouji Terasawa. These partnerships have fostered innovation and creativity in his projects.

Conclusion

Yousuke Tatsumi's work in ink supply technology exemplifies the impact of innovative thinking in the field of printing. His patents and collaborations highlight his commitment to enhancing the efficiency of ink delivery systems.

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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