Suwa, Japan

Kenji Kojima

This inventor holds 45 USPTO granted patents and 4 published patent applications and 17 EPO patents, primarily in Liquid Ejection Technology. Top assignee: Seiko Epson Corporation. Active years: 1986-2025.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Kenji Kojima. Retrieved from https://idiyas.com/inventor/kenji-kojima-m1ip36hp

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

USPTO Granted Patents = 45 

% Patents Active = 51.1

 

Average Co-Inventor Count = 1.3

ph-index = 4

Forward Citations = 101(Granted Patents)


Location History:

  • Sapporo, JP (2003)
  • Suwa, JP (2006 - 2014)
  • Fujimi, JP (2018)
  • Milan, IT (2019 - 2020)
  • Nagano, JP (1986 - 2021)
  • Fujimi-machi, JP (2013 - 2022)

Company Filing History:


Years Active: 1986-2025

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Areas of Expertise:
Liquid Ejecting Device
Droplet Discharge
Electro-Optical Apparatus
Printing Apparatus
Liquid Discharging Method
Weight Measurement Device
Transporting Method
Recording Device
Ejection Rate Measurement
Liquid Body Discharge
Manufacturing Method
Electronic Equipment
45 patents (USPTO):Explore Patents

Title: Kenji Kojima: Pioneering Innovations in Liquid Ejecting Technologies

Introduction

Kenji Kojima, a visionary inventor based in Suwa, Japan, holds an impressive portfolio of 43 patents. His work has significantly impacted the field of liquid ejecting devices, showcasing his commitment to innovation and technology advancement. Working with Seiko Epson Corporation, Kojima continues to push the boundaries of liquid dispensing systems, streamlining processes and enhancing efficiency in various applications.

Latest Patents

Among his latest contributions are two notable patents: the “Liquid Ejecting Device and Transporting Method of Transporting Belt” and the “Liquid Discharging Apparatus and Method for Replacing Discharging Unit.” The first patent features a sophisticated system where a transporting belt, along with gripping portions, coordinates movements for optimal operation, ensuring precision in medium transport and liquid ejection. The second patent introduces a liquid discharging apparatus equipped with a carriage that enables efficient replacement of discharging units while maintaining seamless operation — a testament to his innovative approach in addressing practical challenges in liquid dispensing.

Career Highlights

Kojima's extensive career at Seiko Epson Corporation highlights his significant contributions to the development of advanced liquid ejection technologies. His insights into mechanics and fluid dynamics have paved the way for breakthroughs in printing technology and related fields. His patents are not only foundational to the company's offerings but also contribute to the industry’s evolution, underlining his role as a key innovator.

Collaborations

Throughout his career, Kenji Kojima has collaborated with esteemed colleagues such as Kentaro Tanabe and Masaru Jingushi. Their collective efforts have fostered a creative environment at Seiko Epson Corporation, driving forward-thinking initiatives that bridge gaps in technology and enhance product functionalities.

Conclusion

In conclusion, Kenji Kojima exemplifies the spirit of innovation at Seiko Epson Corporation. Through his numerous patents and collaborative endeavors, he has established himself as a leading figure in the realm of liquid ejecting technologies. His work not only embodies technical excellence but also reflects a commitment to improving processes and products that impact various industries worldwide. As he continues to innovate, the future holds promising advancements in liquid dispensing systems, thanks to inventors like him.

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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