Shizuoka, Japan

Tsukiko Takahashi

This inventor holds 3 USPTO granted patents and 7 published patent applications. Top assignee: Ricoh Company, Ltd.. Active years: 2023-2026.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Tsukiko Takahashi. Retrieved from https://idiyas.com/inventor/tsukiko-takahashi

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

USPTO Granted Patents = 3 

% Patents Active = 66.7

Average Co-Inventor Count = 4.4

ph-index = 1


Company Filing History:


Years Active: 2023-2026

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3 patents (USPTO):Explore Patents

Title: Tsukiko Takahashi: Innovator in Toner Technology

Introduction

Tsukiko Takahashi is a prominent inventor based in Shizuoka, Japan. She has made significant contributions to the field of toner technology, particularly in the development of advanced toner formulations and manufacturing methods. Her innovative work has led to the creation of a patented toner that enhances image quality and performance in printing applications.

Latest Patents

Takahashi holds a patent for a toner, method for manufacturing toner, developer, toner accommodating unit, image forming apparatus, and image forming method. The patented toner comprises colored particles and external additives present on the surfaces of the colored particles. The colored particles each consist of a core and a shell layer, where the core contains a crystalline resin, a non-crystalline resin, and a colorant. The shell layer contains a resin with a thickness ranging from 30 to 130 nm. The external additives include a metal oxide and a silicon compound, with specific electronegativity relations that optimize the toner’s performance. This innovative formulation has been designed to improve the efficiency and quality of printing processes.

Career Highlights

Tsukiko Takahashi is currently employed at Ricoh Company, Ltd., where she continues to advance her research and development efforts in toner technology. Her work has not only contributed to the company's product offerings but has also positioned her as a key figure in the field of imaging technology.

Collaborations

Takahashi collaborates with notable colleagues, including Akio Takei and Takahiro Honda. These partnerships have fostered a creative environment that encourages innovation and the sharing of ideas, further enhancing the development of cutting-edge technologies in their field.

Conclusion

Tsukiko Takahashi's contributions to toner technology exemplify her dedication to innovation and excellence. Her patented work continues to influence the printing industry, showcasing the importance of research and development in creating advanced 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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