Kitakyushu, Japan

Hiroyuki Tajima

This inventor holds 12 USPTO granted patents. Top assignee: Seiko Epson Corporation. Active years: 2004-2023.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Hiroyuki Tajima. Retrieved from https://idiyas.com/inventor/hiroyuki-tajima-m1whh4yn

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

Calculating rank

% Patents Active = 91.7

Average Co-Inventor Count = 2.6

ph-index = 5

Forward Citations = 65(Granted Patents)


Location History:

  • Nagano-ken, JP (2004 - 2006)
  • Fukuoka, JP (2017 - 2018)
  • Kitakyushu, JP (2010 - 2023)

Company Filing History:


Years Active: 2004-2023

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12 patents (USPTO):Explore Patents

Title: **The Innovative Contributions of Hiroyuki Tajima**

Introduction

Hiroyuki Tajima, a prolific inventor hailing from Kitakyushu, Japan, has made significant contributions to the field of technology with a remarkable portfolio of 12 patents. His innovations primarily focus on recording apparatuses and medium feeding devices, marking him as a valuable asset in the world of inventions.

Latest Patents

Tajima's latest patents showcase his expertise and inventive spirit. One of his notable inventions is a recording apparatus that features a battery mount portion with a recessed area designed for a battery. This apparatus includes a coupling terminal arranged for electric connection with the battery, and a covering portion that effectively shields the coupling terminal from liquid intrusion. This design ensures the reliability of the device when the battery is unmounted, as it also incorporates a detachable cover to prevent liquid from reaching crucial components.

Another remarkable patent from Tajima is a medium feeding device that introduces innovative mechanisms for material handling. This device is capable of switching states between feeding from a tray and not feeding, utilizing a specially designed feeding roller and separation roller system that operates in tandem. This allows for efficient media handling while maintaining operational consistency.

Career Highlights

Hiroyuki Tajima’s career has prominently unfolded at Seiko Epson Corporation, where he has leveraged his skills to contribute to remarkable advancements in printing and imaging technologies. His work not only emphasizes technological enhancement but also reflects his commitment to innovation, as demonstrated through his extensive patent portfolio.

Collaborations

During his tenure at Seiko Epson Corporation, Tajima has collaborated with talented colleagues such as Kazuhiko Tsuyama and Naoki Sakamoto. Together, they have worked on groundbreaking projects that push the envelope of what is achievable in their technical domains, reinforcing a culture of innovation within the company.

Conclusion

In sum, Hiroyuki Tajima stands out as a leading inventor with a strong record of patent contributions that align with modern technological needs. His innovative designs and collaborative spirit have not only benefited his company but also the broader landscape of technology. As innovations continue to evolve, Tajima’s work will undoubtedly remain influential in the fields he has impacted.

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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