Tokyo, Japan

Takahiro Yuasa

This inventor holds 2 USPTO granted patents. Top assignees: Toyo Ink Manufacturing Company, Toyo Ink Mfg. Co., Ltd.. Active years: 1991-2006.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Takahiro Yuasa. Retrieved from https://idiyas.com/inventor/takahiro-yuasa

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


% Patents Active = 50.0

Average Co-Inventor Count = 2.4

ph-index = 2

Forward Citations = 4(Granted Patents)


Company Filing History:


Years Active: 1991-2006

Loading Chart...
2 patents (USPTO):Explore Patents

Title: Takahiro Yuasa: Innovator in Pigment Composition and Printing Ink

Introduction

Takahiro Yuasa is a notable inventor based in Tokyo, Japan. He has made significant contributions to the field of pigment composition and printing ink. With a total of 2 patents, his work has advanced the technology used in various printing applications.

Latest Patents

Yuasa's latest patents include a pigment composition and printing ink containing the same. This invention involves a pigment composition that is obtainable by dry-milling an organic pigment in the presence of a resin for a printing ink. The resin is composed of a synthetic resin in an amount of 10 to 80 parts by weight per 100 parts by weight of the organic pigment, along with an aliphatic hydrocarbon resin extracted from gilsonite, which has a softening point of 120 to 125°C. Another significant patent is related to azo dispersing agents and azo pigment compositions. This invention describes an azo pigment composition that forms a dispersion with high tinting strength, excellent clearness, transparency, fluidity, and storage stability. It is formed from a coupling reaction between a diazo component and a coupler component.

Career Highlights

Throughout his career, Yuasa has worked with prominent companies such as Toyo Ink Manufacturing Company and Toyo Ink Mfg. Co., Ltd. His experience in these organizations has allowed him to refine his expertise in the field of printing technology.

Collaborations

Yuasa has collaborated with notable coworkers, including Ippei Imagawa and Ataru Chiba. These partnerships have contributed to his innovative work and the development of his patents.

Conclusion

Takahiro Yuasa is a distinguished inventor whose work in pigment composition and printing ink has made a lasting impact on the industry. His patents reflect his commitment to innovation and excellence in 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]
Loading…