Tokyo, Japan

Mayuka Chiba

This inventor holds 1 USPTO granted patent. Top assignee: Zeon Corporation. Active years: 2021.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Mayuka Chiba. Retrieved from https://idiyas.com/inventor/mayuka-chiba

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

Calculating rank

% Patents Active = 100.0

Average Co-Inventor Count = 2.0

ph-index = 1


Company Filing History:


Years Active: 2021

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1 patent (USPTO):Explore Patents

Title: Mayuka Chiba: Innovator in Toner Technology

Introduction

Mayuka Chiba is a prominent inventor based in Tokyo, Japan. She has made significant contributions to the field of toner technology, particularly with her innovative magenta toner. Her work focuses on enhancing the durability of toners in challenging environmental conditions.

Latest Patents

Mayuka Chiba holds 1 patent for her invention of a magenta toner. This toner is designed to perform exceptionally well in high temperature and high humidity environments, surpassing the capabilities of conventional toners. The formulation includes a binder resin, a magenta colorant, a release agent, and external additives. Notably, the release agent exhibits a maximum endothermic peak between 70°C and 80°C, as measured by a differential scanning calorimeter. Additionally, the toner contains needle-shaped oxide fine particles and zinc stearate particles, which contribute to its enhanced performance.

Career Highlights

Chiba is currently employed at Zeon Corporation, where she continues to develop innovative solutions in the field of materials science. Her expertise in toner technology has positioned her as a key player in her industry.

Collaborations

One of her notable collaborators is Hiroshi Nakatani, with whom she has worked closely on various projects related to toner development.

Conclusion

Mayuka Chiba's contributions to toner technology exemplify her commitment to innovation and excellence. Her patent for a durable magenta toner showcases her ability to address real-world challenges in the industry.

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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