Nagano, Japan

Youichi Kubomura

This inventor holds 4 USPTO granted patents. Top assignee: Seiko Epson Corporation. Active years: 1995-2001.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Youichi Kubomura. Retrieved from https://idiyas.com/inventor/youichi-kubomura

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


% Patents Active = 100.0

Average Co-Inventor Count = 4.6

ph-index = 2

Forward Citations = 15(Granted Patents)


Location History:

  • Suwa, JP (1995)
  • Nagano, JP (1999 - 2001)

Company Filing History:


Years Active: 1995-2001

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4 patents (USPTO):Explore Patents

Title: The Innovative Contributions of Youichi Kubomura in Ink Jet Technology

Introduction: Youichi Kubomura is a prominent inventor based in Nagano, Japan, recognized for his significant contributions to ink jet printer technology. With a total of four patents to his name, Kubomura's work has advanced the efficiency and quality of ink jet printing systems, setting new standards in the industry.

Latest Patents: Among his latest patents, Kubomura has developed an innovative ink jet printer and compatible ink for ink jet recording. His design features a recording head that jets a water-soluble ink, utilizing an ink passage-forming member made partially from borosilicate glass. This unique composition allows the water-soluble ink, which may include ingredients such as urea and thiourea, to create high-quality dot images on various recording media. This technology not only enhances the performance of printers but also broadens the capabilities of ink jet printing.

Career Highlights: Kubomura is currently employed at Seiko Epson Corporation, a leading company in the field of imaging and printing technology. His extensive work in the development of ink jet printers has positioned him as a key figure in advancing printer reliability and output quality. Kubomura's dedication to innovation continues to impact both consumers and the printing industry as a whole.

Collaborations: Throughout his career, Kubomura has collaborated with talented colleagues such as Chiyoshige Nakazawa and Kenichi Kato. Their joint efforts have contributed to the development of cutting-edge printing technologies, demonstrating the power of teamwork in driving innovation.

Conclusion: Youichi Kubomura's contributions to ink jet technology through his patents and collaborations reflect his commitment to innovation. As he continues to work at Seiko Epson Corporation, his efforts are instrumental in shaping the future of printing solutions and enhancing the quality of printed materials worldwide.

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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