Mishima, Japan

Hiroomi Matsuzaki

This inventor holds 67 USPTO granted patents and 4 published patent applications and 10 EPO patents, primarily in Image Forming Technology (CPC class G03G). Top assignee: Canon Kabushiki Kaisha. Active years: 1998-2025.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Hiroomi Matsuzaki. Retrieved from https://idiyas.com/inventor/hiroomi-matsuzaki

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

Calculating rank
USPTO Granted Patents = 67 

% Patents Active = 74.6

 

Average Co-Inventor Count = 3.5

ph-index = 29

Forward Citations = 2,874(Granted Patents)

Forward Citations (Not Self Cited) = 2,217(Dec 10, 2025)


Inventors with similar research interests:


Location History:

  • Kawasaki, JP (1998)
  • Mishima, JP (1999 - 2021)
  • Shizuoka, JP (2023)

Company Filing History:


Years Active: 1998-2025

Loading Chart...
Loading Chart...
Areas of Expertise:
Image Forming Apparatus
Developer Replenishment
Toner Cartridge
Electrophotographic
Process Cartridge
Developer Container
Rotatable Member
Sealing Member
Flexible Developer Container
Cleaning Device
Developing Unit
Cartridge
67 patents (USPTO):Explore Patents

Title: Innovations of Hiroomi Matsuzaki: A Pioneer in Imaging Technology

Introduction: Hiroomi Matsuzaki, based in Mishima, Japan, has made significant contributions to the field of imaging technology. With a remarkable portfolio of 65 patents to his name, Matsuzaki is recognized for his inventive spirit and technical expertise, particularly in the areas of developer cartridges and image forming apparatuses.

Latest Patents: Among his latest innovations, Matsuzaki has developed a developer replenishment device, which features a developer cartridge that includes an accommodating container and a variable-volume pump. This system forms a feeding path for the developer, facilitated by a transporting member with a mechanism that allows for efficient movement between the container and the feed path outlet. Additionally, his image forming apparatus incorporates a detachable cartridge with a developer accommodating portion. This device utilizes an image bearing member and an exposure unit to create electrostatic latent images, enhanced by a light receiving sensor that detects cartridge vibration, ensuring optimal functionality.

Career Highlights: Hiroomi Matsuzaki has spent his career at Canon Kabushiki Kaisha, contributing to its reputation as a leader in imaging technologies. His inventive work has helped propel the company forward in the competitive landscape of digital imaging and printing solutions.

Collaborations: Throughout his career, Matsuzaki has worked closely with talented colleagues such as Akira Suzuki and Kojiro Yasui. Their collaboration has fostered an environment of creativity and innovation, resulting in numerous advancements in the field.

Conclusion: Hiroomi Matsuzaki stands out as a prominent inventor whose contributions continue to shape the future of imaging technology. His extensive patent portfolio reflects his dedication to innovation and his commitment to improving imaging processes through cutting-edge developments. As he continues to work on advanced technologies, his impact on the industry is undeniable.

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]
Loading…