Tokyo, Japan

Makoto Unno

This inventor holds 25 USPTO granted patents and 1 published patent application, primarily in Electrostatic Imaging. Top assignee: Canon Kabushiki Kaisha. Active years: 1992-2004.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Makoto Unno. Retrieved from https://idiyas.com/inventor/makoto-unno

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

USPTO Granted Patents = 25 

% Patents Active = 96.0

Average Co-Inventor Count = 4.5

ph-index = 10

Forward Citations = 226(Granted Patents)


Location History:

  • Shizuoka-ken, JP (1999)
  • Tokyo, JP (1992 - 2004)

Company Filing History:


Years Active: 1992-2004

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Areas of Expertise:
Electrostatic Image
Toner Development
Image Forming Method
Magnetic Toner
One Component-Type Developer
Negative Triboelectric Chargeability
Surface-Modified Fine Silica
Process Cartridge
Particle Distribution
Fixing Method
Improved Development
25 patents (USPTO):Explore Patents

Title: Innovations and Contributions of Makoto Unno in the Patent Landscape

Introduction: Makoto Unno, a prominent inventor based in Tokyo, Japan, has made significant contributions to the field of electrostatic imaging technologies. With an impressive portfolio of 25 patents, Unno has established himself as a key figure in innovation, particularly in the development of toners for electrostatic imaging applications.

Latest Patents: Unno's latest patents revolve around advanced toner formulations. One notable patent describes a toner designed for developing electrostatic images, which features a vinyl resin binder with an acid value ranging from 2.5 to 70 mgKOH/g. This innovative toner formulation incorporates either a long-chain alcohol with an OH value between 10 and 120 mg/KOH/g or a long-chain alkyl carboxylic acid with an acid value of 5 to 120 mg/KOH/g. Moreover, the combined acid value of the resin binder and either the OH value of the alcohol or the acid value of the acid surpasses a quarter times the OH value of the binder, demonstrating a sophisticated approach to enhancing toner performance.

Career Highlights: Unno has dedicated his career to research and development within the imaging technology sector. He currently works at Canon Kabushiki Kaisha, a leading multinational corporation known for its innovative contributions to electronic products and imaging solutions. His extensive patent portfolio not only showcases his technical expertise but also reflects the ongoing evolution of imaging technology.

Collaborations: In the pursuit of innovation, Makoto Unno collaborates with talented professionals, including colleagues Masaaki Taya and Masaki Uchiyama. Their combined efforts further enhance the research and development initiatives at Canon, contributing to the company's success in developing cutting-edge imaging solutions.

Conclusion: With a strong portfolio of patents and a commitment to innovation, Makoto Unno continues to influence the landscape of electrostatic imaging technology. His developments play a crucial role in advancing the industry, ultimately benefiting consumers and businesses alike. Unno's collaboration with other skilled individuals at Canon ensures that the company remains at the forefront of technological advancements in imaging.

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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