Kanagawa, Japan

Tatsuhiro Igarashi

This inventor holds 22 USPTO granted patents and 3 published patent applications, primarily in Image Forming Technology. Top assignees: Fuji Xerox Co., Ltd., Fujifilm Business Innovation Corp.. Active years: 2015-2025.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Tatsuhiro Igarashi. Retrieved from https://idiyas.com/inventor/tatsuhiro-igarashi

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

USPTO Granted Patents = 22 

% Patents Active = 81.8

Average Co-Inventor Count = 5.1

ph-index = 3

Forward Citations = 28(Granted Patents)


Company Filing History:


Years Active: 2015-2025

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Areas of Expertise:
Image Forming Apparatus
Conveying Device
Electrophotographic
Developing Device
Cleaning Unit
Toner Transport
Process Cartridge
Temperature-Viscosity
22 patents (USPTO):Explore Patents

Title: The Innovative Contributions of Tatsuhiro Igarashi

Introduction

Tatsuhiro Igarashi, based in Kanagawa, Japan, is a prolific inventor known for his contributions to the field of adhesive technologies. With a remarkable portfolio of 21 patents, he has made significant advancements in the design and functionality of conveying devices and image forming apparatuses.

Latest Patents

Igarashi's latest innovations include two notable patents that focus on conveying devices and image forming apparatuses. The first patent describes a conveying device that features a conveying member designed to transport a spray-receiving medium which is sprayed with pressure-sensitive adhesive particles. These particles possess unique pressure-induced phase transition properties, incorporating a binder resin and a sulfur content ranging from 0.1 mass % to 0.5 mass % relative to the total particle mass, as analyzed by X-ray fluorescence. Additionally, the device includes a removing member that effectively eliminates any adhesive particles that remain on the conveying member, enhancing operational efficiency.

The second patent outlines a particle conveying device that houses pressure-sensitive adhesive particles, again defined by their binder resin content and controlled sulfur levels. This device incorporates a rotating conveying member within a storage portion that facilitates the transportation of particles in a specified direction, further illustrating Igarashi's innovative approach to improving adhesive delivery systems.

Career Highlights

Throughout his career, Tatsuhiro Igarashi has been affiliated with highly regarded companies such as Fuji Xerox and Fujifilm Business Innovation Corp. His work at these organizations has enabled him to push the boundaries of adhesive technology, resulting in numerous patents that contribute to advancements in various industrial applications.

Collaborations

Igarashi has collaborated with esteemed coworkers, including Manabu Furuki and Teppei Yawada. Their joint efforts have fostered a creative environment that emphasizes innovation and excellence in the adhesive technology sector.

Conclusion

In summary, Tatsuhiro Igarashi stands out as a leading inventor in the adhesive technology arena. His 21 patents emphasize his commitment to innovation and problem-solving within this field, particularly through his developments in conveying devices and image forming apparatuses. As Igarashi continues to advance his work, the impact of his inventions will likely resonate across various industries, further shaping the future of adhesive technologies.

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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