Shizuoka, Japan

Mitsuaki Hirose

This inventor holds 17 USPTO granted patents and 9 published patent applications and 6 EPO patents, primarily in Image Formation Technology. Top assignee: Ricoh Company, Ltd.. Active years: 2012-2026.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Mitsuaki Hirose. Retrieved from https://idiyas.com/inventor/mitsuaki-hirose

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

Calculating rank
USPTO Granted Patents = 17 

% Patents Active = 35.3

 

Average Co-Inventor Count = 3.8

ph-index = 2

Forward Citations = 11(Granted Patents)


Location History:

  • Shizuoka-ken, JP (2012 - 2013)
  • Numazu, JP (2012 - 2015)
  • Yamanashi, JP (2018)
  • Shizuoka, JP (2012 - 2021)

Company Filing History:


Years Active: 2012-2026

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Areas of Expertise:
Electrophotographic
Image Forming Apparatus
Photoconductor
Toner
Process Cartridge
Image Bearing Member
Temperature Control Unit
Photoreceptor
Manufacturing Method
Developer
Accommodating Unit
17 patents (USPTO):Explore Patents

Title: Mitsuaki Hirose: Innovator in Toner Technology

Introduction

Mitsuaki Hirose is a prominent inventor based in Shizuoka, Japan. He has made significant contributions to the field of toner technology, holding a total of 17 patents. His work focuses on developing advanced toner formulations and image forming methods that enhance printing quality and efficiency.

Latest Patents

Hirose's latest patents include innovations such as a toner, developer, toner accommodating unit, image forming apparatus, and image forming method. One of his notable inventions provides a toner that comprises toner particles, each consisting of a toner base particle and an external additive. The toner base particle is made up of a binder resin and a colorant. Additionally, he has developed a toner that includes toner base particles with resin particles adhered to their surfaces, along with an external additive. This toner formulation is designed to meet specific conditions, including a storage elastic modulus G' of 4.0×10 or less at 70° C, and an embedment degree of the external additive ranging from 15% to 40%.

Career Highlights

Mitsuaki Hirose is currently employed at Ricoh Company, Ltd., where he continues to innovate in the field of imaging technology. His extensive experience and expertise have positioned him as a key figure in the development of high-performance toners.

Collaborations

Hirose has collaborated with notable colleagues, including Akihiro Sugino and Yoshiaki Kawasaki, to advance the research and development of toner technologies.

Conclusion

Mitsuaki Hirose's contributions to toner technology have significantly impacted the printing industry. His innovative patents and collaborative efforts continue to drive advancements in imaging solutions.

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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