Tokyo, Japan

Yumi Shiratori

This inventor holds 1 USPTO granted patent. Top assignee: Nippon Kayaku Kabushiki Kaisha. Active years: 2019.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Yumi Shiratori. Retrieved from https://idiyas.com/inventor/yumi-shiratori

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


% Patents Active = 100.0

Average Co-Inventor Count = 3.0

ph-index = 1


Company Filing History:


Years Active: 2019

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1 patent (USPTO):Explore Patents

Title: Yumi Shiratori: Innovator in Ink Composition Technology

Introduction

Yumi Shiratori is a prominent inventor based in Tokyo, Japan. She has made significant contributions to the field of ink technology, particularly in the development of aqueous ink compositions. Her innovative work has led to advancements that enhance the quality and durability of printed images.

Latest Patents

Yumi Shiratori holds a patent for an ink composition, an ink jet recording method using the same, and a colored material. This aqueous black ink composition contains a colorant represented by a specific formula and one or more additional colorants. The ink is designed to be stable over long periods, maintaining a low chroma and a neutral black-to-gray color, regardless of the printing conditions. It achieves high image density and exhibits no hue changes when printed on various media. Furthermore, it produces a black recorded image with excellent color development properties, light resistance, ozone gas resistance, and moisture resistance.

Career Highlights

Yumi Shiratori has established herself as a key figure in her field through her innovative research and development efforts. Her work at Nippon Kayaku Kabushiki Kaisha has positioned her as a leader in ink technology, contributing to the company's reputation for quality and innovation.

Collaborations

Yumi collaborates with talented colleagues, including Daisuke Ono and Yasuaki Ishiguro. Their teamwork fosters a creative environment that drives further advancements in ink technology.

Conclusion

Yumi Shiratori's contributions to ink composition technology exemplify her dedication to innovation and quality. Her patented work continues to influence the industry, ensuring that printed images meet high standards of durability and visual appeal.

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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