Okaya, Japan

Yoshikazu Hama

This inventor holds 8 USPTO granted patents and 3 published patent applications and 2 EPO patents. Top assignee: Seiko Epson Corporation. Active years: 2009-2026.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Yoshikazu Hama. Retrieved from https://idiyas.com/inventor/yoshikazu-hama

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

USPTO Granted Patents = 8 

% Patents Active = 25.0


Average Co-Inventor Count = 2.5

ph-index = 1

Forward Citations = 3(Granted Patents)


Location History:

  • Nagano, JP (2009 - 2016)
  • Okaya, JP (2012 - 2019)

Company Filing History:


Years Active: 2009-2026

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8 patents (USPTO):Explore Patents

Title: Innovations of Yoshikazu Hama

Introduction

Yoshikazu Hama is a prominent inventor based in Okaya, Japan. He has made significant contributions to the field of printing technology, holding a total of 8 patents. His work has been instrumental in advancing the capabilities of printing apparatuses.

Latest Patents

Hama's latest patents include a sophisticated printing apparatus designed to enhance the efficiency of roll-paper printing. This apparatus features a supply section that supports multiple rolls of paper, a transport section that applies forces to transport the paper, a printing section that performs the actual printing, and a tension-imparting section that ensures the paper is held under the right tension during the process. Another notable patent is a printing method that involves a head discharging ink to create line images on a printing medium. This method allows for the movement of the printing medium in a direction that intersects with the ink application, enabling the formation of high-quality images.

Career Highlights

Yoshikazu Hama has dedicated his career to innovation in printing technology. He works at Seiko Epson Corporation, a leading company in the printing industry. His inventions have not only improved the functionality of printing devices but have also contributed to the overall efficiency of printing processes.

Collaborations

Hama has collaborated with notable colleagues such as Keigo Sugai and Hirotsuna Miura. Their combined expertise has fostered an environment of innovation and creativity within their projects.

Conclusion

Yoshikazu Hama's contributions to printing technology through his patents and collaborations highlight his role as a key innovator in the field. His work continues to influence the development of advanced printing solutions.

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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