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For the Inventor, By the Inventor

Matsumoto, Japan

Yuichi Seki

This inventor holds 16 USPTO granted patents and 9 EPO patents. Top assignee: Seiko Epson Corporation. Active years: 2002-2012.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Yuichi Seki. Retrieved from https://idiyas.com/inventor/yuichi-seki-bdrxyhq0

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

USPTO Granted Patents = 16

% Patents Active = 68.8


Average Co-Inventor Count = 5.0

ph-index = 6

Forward Citations = 85(Granted Patents)


Location History:

  • Nagano, JP (2002)
  • Nagano-ken, JP (2006 - 2011)
  • Matsumoto, JP (2010 - 2012)
  • Hatsumoto, JP (2012)

Company Filing History:

goldMedal16 out of 34,296 
 
Seiko Epson Corporation
 patents

Years Active: 2002-2012

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16 patents (USPTO):Explore Patents
1. 8291591 - Method of manufacturing liquid container and liquid container (2012-10-23),
2. 8287108 - Sealing method of remanufactured liquid container (2012-10-16),
3. 8235513 - Liquid injecting method and liquid container (2012-08-07),
4. 8177341 - Liquid injecting method and liquid container (2012-05-15),
5. 8162456 - Fluid container, recycling method of fluid container, method for piercing cover film of fluid container, piercing jig, and method for manufacturing fluid container (2012-04-24),
6. 8091996 - Fluid container, recycling method of fluid container, and sealing method of fluid container (2012-01-10),
7. 8052258 - Fluid container, remanufacturing method of fluid container, and sealing method of fluid container (2011-11-08),
8. 7942511 - Method of manufacturing liquid container and liquid container (2011-05-17),
9. 7942510 - Liquid injecting method and liquid container (2011-05-17),
10. 7905586 - Molded ink cartridge comprising a polypropylene-based resin composition and method of making the same (2011-03-15),
11. 7788807 - Method of manufacturing a liquid container (2010-09-07),
12. 7249832 - Liquid cartridge and method for manufacturing liquid cartridge (2007-07-31),
13. 7222949 - Method for manufacturing liquid cartridge and a liquid cartridge (2007-05-29),
14. 7147309 - Liquid cartridge (2006-12-12),
15. 7125108 - Liquid cartridge (2006-10-24),

Title: Innovations of Yuichi Seki

Introduction

Yuichi Seki is a prominent inventor based in Matsumoto, Japan. He has made significant contributions to the field of liquid container technology, holding a total of 16 patents. His work focuses on innovative methods for manufacturing and sealing liquid containers, showcasing his expertise and creativity in engineering.

Latest Patents

Among his latest patents is a method of manufacturing a liquid container. This invention includes a liquid containing chamber, an air communicating passage, and a liquid supply port. The design features a differential pressure valve that transitions from a closed to an opened state based on the pressure differential. Another notable patent is a sealing method for remanufactured liquid containers, specifically for ink cartridges. This method involves bonding a cover film to the cartridge while ensuring that an opening is formed for communication with the ink inlet hole.

Career Highlights

Yuichi Seki has dedicated his career to advancing liquid container technology. His innovative approaches have led to practical solutions that enhance the functionality and efficiency of liquid containers. Working at Seiko Epson Corporation, he has played a vital role in developing products that meet the demands of modern consumers.

Collaborations

Yuichi collaborates with talented coworkers, including Satoshi Shinada and Masahide Matsuyama. Their combined expertise fosters a creative environment that drives innovation within their projects.

Conclusion

Yuichi Seki's contributions to liquid container technology exemplify his dedication to innovation and engineering excellence. His patents reflect a commitment to improving product design and functionality, making a lasting impact in his field.

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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