Ibaraki, Japan

Kyoko Tsumura

This inventor holds 1 USPTO granted patent and 1 published patent application and 1 EPO patent. Top assignee: Riso Kagaku Corporation. Active years: 2015.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Kyoko Tsumura. Retrieved from https://idiyas.com/inventor/kyoko-tsumura

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

USPTO Granted Patents = 1 

% Patents Active = 100.0

 

Average Co-Inventor Count = 3.0

ph-index = 1


Company Filing History:


Years Active: 2015

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1 patent (USPTO):Explore Patents

Title: The Innovative Contributions of Kyoko Tsumura

Introduction

Kyoko Tsumura is a notable inventor based in Ibaraki-ken, Japan. She has made significant contributions to the field of ink technology, particularly with her innovative work on non-aqueous pigment inks. Her dedication to research and development has led to the creation of a unique product that enhances the quality and performance of inks used in various applications.

Latest Patents

Kyoko Tsumura holds a patent for a non-aqueous pigment ink. This innovative ink comprises a pigment complex that includes a pigment, a dispersant with a functional group reactive to a polyvalent isocyanate compound, and a non-aqueous solvent. This formulation allows for improved stability and performance in ink applications, making it a valuable contribution to the industry.

Career Highlights

Throughout her career, Kyoko has been associated with Riso Kagaku Corporation, a company known for its advancements in printing technology. Her work has not only contributed to the company's success but has also positioned her as a key figure in the development of innovative ink solutions.

Collaborations

Kyoko has collaborated with talented coworkers such as Manami Shimizu and Yoshifumi Watanabe. These collaborations have fostered a creative environment that encourages the exchange of ideas and the development of cutting-edge technologies.

Conclusion

Kyoko Tsumura's contributions to the field of non-aqueous pigment inks exemplify her innovative spirit and dedication to advancing technology. Her work continues to influence the industry and inspire future developments in ink technology.

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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