Yokohama, Japan

Hirofumi Ota

This inventor holds 4 USPTO granted patents and 1 published patent application. Top assignee: Canon Kabushiki Kaisha. Active years: 2012-2026.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Hirofumi Ota. Retrieved from https://idiyas.com/inventor/hirofumi-ota-qxxg3eoa

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

Calculating rank
USPTO Granted Patents = 4 

% Patents Active = 50.0

Average Co-Inventor Count = 4.1

ph-index = 1

Forward Citations = 1(Granted Patents)


Location History:

  • Yokohama, JP (2012 - 2015)
  • Kanagawa, JP (2024)

Company Filing History:


Years Active: 2012-2026

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4 patents (USPTO):Explore Patents

Title: Hirofumi Ota: Innovator in Liquid Container Technology

Introduction

Hirofumi Ota is a notable inventor based in Yokohama, Japan. He has made significant contributions to the field of liquid container technology, holding a total of 4 patents. His work focuses on creating innovative solutions that enhance the functionality and efficiency of liquid ejection systems.

Latest Patents

One of Ota's latest patents is for a liquid container designed to prevent foreign substances from entering a liquid ejection apparatus. This invention features a bag body that contains the liquid and a flow path that supplies the liquid to the ejection apparatus. The design includes a first capturing unit that extends in an anti-gravitational direction and a second capturing unit that extends in a gravitational direction, both positioned strategically within the flow path.

Another significant patent involves a seal member for sealing the supply port of an ink tank. This seal member is designed to prevent ink from leaking while allowing for efficient supply to the outside of the ink tank. It consists of a first area that corresponds to the supply port and an ink-absorbing member located in a second area outside the first area.

Career Highlights

Hirofumi Ota is currently employed at Canon Kabushiki Kaisha, a leading company in imaging and printing technologies. His work at Canon has allowed him to develop and refine his innovative ideas, contributing to the company's reputation for quality and reliability in liquid ejection systems.

Collaborations

Ota has collaborated with talented coworkers such as Yu Katano and Ken Ikegame. These partnerships have fostered a creative environment that encourages the exchange of ideas and the development of cutting-edge technologies.

Conclusion

Hirofumi Ota's contributions to liquid container technology exemplify his commitment to innovation and excellence. His patents reflect a deep understanding of the challenges in liquid ejection systems and provide practical solutions that enhance their performance. Ota's work continues to influence the industry and inspire future advancements in technology.

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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