Azumino, Japan

Tsutomu Yamamoto

This inventor holds 7 USPTO granted patents and 1 EPO patent. Top assignee: Seiko Epson Corporation. Active years: 2011-2018.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Tsutomu Yamamoto. Retrieved from https://idiyas.com/inventor/tsutomu-yamamoto-t2nulw2b

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

Calculating rank

% Patents Active = 28.6


Average Co-Inventor Count = 4.8

ph-index = 1

Forward Citations = 22(Granted Patents)


Location History:

  • Nagano-ken, JP (2012)
  • Azumino, JP (2011 - 2018)

Company Filing History:


Years Active: 2011-2018

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7 patents (USPTO):Explore Patents

Title: Tsutomu Yamamoto: Innovator in Fluid Ejection Technology

Introduction

Tsutomu Yamamoto is a prominent inventor based in Azumino, Japan. He has made significant contributions to the field of fluid ejection technology, holding a total of 7 patents. His work has been instrumental in advancing the capabilities of recording apparatuses and fluid ejection devices.

Latest Patents

Yamamoto's latest patents include a recording apparatus that features a cover designed to protect the display while allowing for easy access. This innovative design incorporates a thin-wall portion and an inclined portion, enhancing both functionality and aesthetics. Another notable patent involves a fluid ejection device that includes a fluid ejection unit and a container case, which is pivotably attached to the main chassis. This design allows for efficient fluid delivery through a specially designed passage, showcasing Yamamoto's expertise in engineering.

Career Highlights

Tsutomu Yamamoto has dedicated his career to innovation at Seiko Epson Corporation. His work has not only contributed to the company's success but has also set new standards in the industry. His inventions reflect a deep understanding of both user needs and technological possibilities.

Collaborations

Yamamoto has collaborated with talented individuals such as Tatsuro Osawa and Hiroyuki Sugimoto. These partnerships have fostered a creative environment that encourages the development of groundbreaking technologies.

Conclusion

Tsutomu Yamamoto's contributions to fluid ejection technology and recording apparatuses highlight his role as a leading inventor in his field. His innovative designs and collaborative spirit continue to influence the industry positively.

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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