Shiojiri, Japan

Norihiro Yamashita

This inventor holds 19 USPTO granted patents and 1 published patent application and 2 EPO patents, primarily in Printing Technology. Top assignee: Seiko Epson Corporation. Active years: 2003-2025.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Norihiro Yamashita. Retrieved from https://idiyas.com/inventor/norihiro-yamashita

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

USPTO Granted Patents = 19 

% Patents Active = 47.4

 

Average Co-Inventor Count = 2.3

ph-index = 3

Forward Citations = 37(Granted Patents)


Location History:

  • Nagano, JP (2003 - 2014)
  • Shiojiri, JP (2011 - 2021)

Company Filing History:


Years Active: 2003-2025

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Areas of Expertise:
Printing Device
Liquid Discharging
Recording Apparatus
Cutter Device
Position Detection
Medium Supporting Unit
Paper Feeder
Ink Cartridge
Pressing Unit
Support Portion
Cleaning Method
19 patents (USPTO):Explore Patents

Title: Norihiro Yamashita: Innovator in Printing Technology

Introduction

Norihiro Yamashita is a prominent inventor based in Shiojiri, Japan. He has made significant contributions to the field of printing technology, holding a total of 19 patents. His work focuses on enhancing the efficiency and functionality of printing apparatuses.

Latest Patents

Yamashita's latest patents include innovative designs for printing apparatuses. One notable patent is for a printing apparatus that features a printing unit designed to perform printing onto a medium. This apparatus includes a supporting unit to hold the medium, a pressing unit that can be attached and detached, and a retainer for the pressing unit when it is removed. Another significant patent involves a printing apparatus that incorporates a movement unit to support the medium and a control unit to manage the movement of the support portion. This design utilizes both a belt movement mechanism and a linear movement mechanism to optimize the printing process.

Career Highlights

Norihiro Yamashita is currently employed at Seiko Epson Corporation, a leading company in the printing industry. His work at Epson has allowed him to develop cutting-edge technologies that improve printing efficiency and quality. His innovative spirit and technical expertise have made him a valuable asset to the company.

Collaborations

Yamashita has collaborated with notable colleagues such as Yoichi Kobayashi and Eiji Kumai. These partnerships have fostered a creative environment that encourages the development of new ideas and technologies in the printing sector.

Conclusion

Norihiro Yamashita's contributions to printing technology through his numerous patents and collaborations highlight his role as a key innovator in the field. His work continues to influence the evolution of printing apparatuses, making significant strides in the industry.

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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