Hyogo, Japan

Minoru Toyoda

This inventor holds 23 USPTO granted patents and 1 published patent application, primarily in Image Forming Apparatus. Top assignee: Ricoh Company, Ltd.. Active years: 2011-2025.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Minoru Toyoda. Retrieved from https://idiyas.com/inventor/minoru-toyoda

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

Calculating rank
USPTO Granted Patents = 23 

% Patents Active = 47.8

Average Co-Inventor Count = 4.8

ph-index = 2

Forward Citations = 15(Granted Patents)


Location History:

  • Osaka, JP (2011)
  • Hyogo, JP (2014 - 2017)
  • Kanagawa, JP (2017 - 2020)

Company Filing History:


Years Active: 2011-2025

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Areas of Expertise:
Image Forming Apparatus
Fixing Device
Developing Device
Process Cartridge
Powder Storage Container
Cleaning Toner Image
Electrifying Mechanism
Optical Writing Head
Friction Reducer
Rotary Member
Heating Belt
Fixing Unit
23 patents (USPTO):Explore Patents

Title: Innovator Spotlight: Minoru Toyoda

Introduction

Minoru Toyoda, a prolific inventor based in Hyogo, Japan, holds an impressive portfolio of 21 patents. His contributions to the field of imaging technology have significantly influenced practical applications, especially in developing devices used in printing and imaging systems.

Latest Patents

Two of Toyoda's most recent innovations include a powder storage container and an image forming apparatus. The powder storage container features a well-thought-out design that includes a container body, discharge port, conveyer, stirrer, return port, and a partition wall. This innovative container allows for efficient storage and handling of powder, ensuring that it can be easily discharged and stirred for optimal performance.

In addition, the developing device, part of the image forming apparatus, comprises various critical components, such as a developing roller in contact with an image bearer and a supply roller to furnish toner to the developing roller. The sophistication of the design, which includes a unique toner circulation path and carefully arranged partition walls, showcases Toyoda's inventive capabilities.

Career Highlights

Minoru Toyoda's notable career has been primarily with Ricoh Company, Ltd., a leader in imaging and electronics. His work focuses on enhancing the functionality and efficiency of imaging devices, contributing to Ricoh's reputation for innovation in the industry.

Collaborations

Toyoda's innovations are further enriched by collaborations with esteemed colleagues like Tomohiko Fujii and Yutaka Naitoh. These partnerships draw on a wealth of knowledge and expertise, amplifying the impact of their collective work in advancing imaging technologies.

Conclusion

Minoru Toyoda continues to be a driving force in the field of innovation, particularly in imaging technology. His extensive patent portfolio reflects not only his creativity and technical prowess but also his commitment to improving solutions for real-world applications. As he progresses in his career at Ricoh Company, Ltd., Toyoda's future inventions are eagerly anticipated by peers and industry professionals alike.

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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