Yokohama, Japan

Noribumi Koitabashi

This inventor holds 179 USPTO granted patents and 3 published patent applications and 2 EPO patents, primarily in Inkjet Printing (CPC class B41J2-01). Top assignee: Canon Kabushiki Kaisha. Active years: 1989-2020.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Noribumi Koitabashi. Retrieved from https://idiyas.com/inventor/noribumi-koitabashi

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

USPTO Granted Patents = 179 

% Patents Active = 78.2

 

Average Co-Inventor Count = 3.7

ph-index = 28

Forward Citations = 3,267(Granted Patents)

Forward Citations (Not Self Cited) = 3,103(Dec 10, 2025)


Inventors with similar research interests:

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Location History:

  • Yokohoma, JP (2004)
  • Kanagawa-ken, JP (2005)
  • Tokyo, JP (2007)
  • Kanagawa, JP (2002 - 2008)
  • Yokohama, JP (1989 - 2020)

Company Filing History:


Years Active: 1989-2020

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Areas of Expertise:
Ink Jet Recording
Printing Apparatus
Transfer Image Forming
Cleaning Method
Ejection Heaters
Defective Nozzle Compensation
Drying Control
Ink Composition
Image Processing
Recording Method
Intermediate Transfer Member
Liquid Ejection
179 patents (USPTO):Explore Patents

Title: Noribumi Koitabashi: Pioneering Innovator in Ink Jet Recording Methods

Introduction:

Noribumi Koitabashi, a brilliant inventor based in Yokohama, Japan, has made significant contributions to the field of ink jet recording methods. With an impressive portfolio of 179 patents, Koitabashi continues to push the boundaries of printing technology at Canon Kabushiki Kaisha. This article explores his latest patents, career highlights, and notable collaborations with colleagues Hiromitsu Hirabayashi and Hiroshi Tajika.

Latest Patents:

Koitabashi's recent patents demonstrate his innovative thinking and commitment to advancing ink jet recording methods. Two standout inventions include:

1. Ink Jet Recording Method:

This patent introduces a unique ink jet recording method characterized by the presence of a resin that melts or softens at a specified fixing temperature during heat treatment. The inclusion of at least two different particle sizes in the ink and surface treatment agent enhances the printing process. Specifically, the particles consist of first particles and second particles, with the latter having a size falling within a range of over 50 nm to less than 110 nm.

2. Transfer Type Ink Jet Recording Method with Cooled Transfer Body:

This patent describes an ink jet recording method that involves multiple steps on a transfer body. The process includes forming a first image comprising a liquid component consisting of water, a water-soluble organic solvent, and an insoluble solid content. Subsequently, a portion of the liquid component is removed in a liquid removing step to form a second image. Finally, the second image is transferred onto a recording medium by heating it to a temperature equal to or higher than the second image's minimum filming temperature.

Career Highlights:

Noribumi Koitabashi has had a distinguished career at Canon Kabushiki Kaisha, consistently contributing to the company's technological advancements in the field of printing. His numerous patents are a testament to his expertise and dedication to ink jet recording methods. Koitabashi's groundbreaking inventions have revolutionized the printing industry, ensuring more efficient and high-quality printing solutions.

Collaborations:

Koitabashi has worked closely with esteemed colleagues Hiromitsu Hirabayashi and Hiroshi Tajika. Their collaborations have resulted in significant advancements in ink jet recording technology. Together, they have shared knowledge, combined expertise, and leveraged their complementary skills to develop cutting-edge solutions.

Conclusion:

Noribumi Koitabashi's exceptional contributions to ink jet recording methods have established him as a pioneering innovator in the field. With a vast patent portfolio and a commitment to excellence, he continues to shape the future of printing technology. Collaborating with fellow experts like Hiromitsu Hirabayashi and Hiroshi Tajika further amplifies Koitabashi's impact, ensuring continued innovation in the field of ink jet recording methods.

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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