Suntou-gun, Japan

Tomonori Matsunaga

This inventor holds 28 USPTO granted patents and 1 published patent application and 3 EPO patents, primarily in Electrophotographic Imaging. Top assignee: Canon Kabushiki Kaisha. Active years: 2004-2025.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Tomonori Matsunaga. Retrieved from https://idiyas.com/inventor/tomonori-matsunaga

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

Calculating rank
USPTO Granted Patents = 28 

% Patents Active = 71.4

 

Average Co-Inventor Count = 4.4

ph-index = 13

Forward Citations = 459(Granted Patents)


Location History:

  • Suntoh-gun, JP (2010)
  • Sunto-gun, JP (2021)
  • Suntou-gun, JP (2013 - 2022)
  • Shizuoka, JP (2004 - 2023)

Company Filing History:


Years Active: 2004-2025

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Areas of Expertise:
Image Forming Apparatus
Toner
Process Cartridge
Cleaning Apparatus
Developer Accommodating Unit
Electrophotographic
Developing Device
Temperature Control
Organosilicon Polymer
Dead Space Reduction
Cartridge
28 patents (USPTO):Explore Patents

Title: **Innovations of Tomonori Matsunaga: A Trailblazer in Image Forming Technology**

Introduction

Tomonori Matsunaga is a distinguished inventor from Suntou-gun, Japan, renowned for his contributions to image forming technology. With a remarkable portfolio of 27 patents, he has made significant advancements in the development of image forming apparatus and toner compositions.

Latest Patents

Matsunaga's latest patents reflect his focus on enhancing the functionality of image forming devices. One of his noteworthy inventions is an image forming apparatus that features a rotatable image bearing member and a rotating developing member to efficiently carry a developer mix of toner and carrier particles. This innovation explicitly addresses the adhesion dynamics between the carrier particles and toner particles, ensuring optimal performance in printing technologies. Additionally, his patented toner formulation integrates specific external additives, including silica fine particles and fatty acid metal salts, which contribute to improved surface characteristics and functionality of the toner.

Career Highlights

Throughout his career, Tomonori Matsunaga has been associated with Canon Kabushiki Kaisha, a leading company in imaging and printing technology. His role at Canon has positioned him at the forefront of research and development, facilitating groundbreaking inventions that have transformed the printing industry. His dedication to innovation has not only advanced technology but also significantly contributed to Canon’s reputation for quality and excellence.

Collaborations

Matsunaga has collaborated with esteemed colleagues, including Tetsuo Uesugi and Kentaro Yamawaki. Their teamwork has led to the successful implementation of various projects focusing on imaging technologies. Such collaborations highlight the collaborative spirit and synergy that fuels innovation within the company, driving projects from concept to realization.

Conclusion

In conclusion, Tomonori Matsunaga’s array of patents and innovations underscores his pivotal role in advancing image forming technology. His latest work continues to influence the industry, setting new standards for efficiency and quality in printing solutions. With ongoing collaborations and a commitment to innovation, Matsunaga is undoubtedly a vital player in the ever-evolving world of 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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