Osaka, Japan

Keisuke Ito

This inventor holds 9 USPTO granted patents and 1 published patent application. Top assignees: Sumitomo Chemical Company, Limited, Matsushita Electric Industrial Co., Ltd.. Active years: 1984-2001.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Keisuke Ito. Retrieved from https://idiyas.com/inventor/keisuke-ito-58i6gcgt

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

USPTO Granted Patents = 9 

% Patents Active = 100.0

Average Co-Inventor Count = 4.4

ph-index = 3

Forward Citations = 49(Granted Patents)


Location History:

  • Kashihara, JP (1984)
  • Kashiwara, JP (1984)
  • Osaka, JP (1993 - 1998)
  • Toyonaka, JP (2001)

Company Filing History:


Years Active: 1984-2001

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9 patents (USPTO):Explore Patents

Title: Keisuke Ito: Innovator in Color Technology

Introduction

Keisuke Ito is a prominent inventor based in Osaka, Japan, known for his significant contributions to color technology. With a total of nine patents to his name, he has made remarkable advancements in the field of coloring compositions and printing inks.

Latest Patents

One of his latest patents is a coloring composition designed for color filters. This composition includes an organic pigment, a binder, and a pigment derivative that features a sulfonate group and a sulfonamide group. The resulting color filter exhibits excellent coat properties, minimal color unevenness, and outstanding contrast. Another notable patent is a composition for printing inks, which consists of an organic pigment and a specific pigment derivative. This composition is characterized by its unique formula, allowing for enhanced performance in printing applications.

Career Highlights

Throughout his career, Keisuke Ito has worked with esteemed companies such as Sumitomo Chemical Company, Limited and Matsushita Electric Industrial Co., Ltd. His experience in these organizations has contributed to his expertise in developing innovative color technologies.

Collaborations

Keisuke has collaborated with talented individuals in his field, including Hiroki Inoue and Yoshiaki Hayashi. These partnerships have fostered a creative environment that has led to the development of groundbreaking inventions.

Conclusion

Keisuke Ito's work in color technology has made a significant impact on the industry. His innovative patents and collaborations highlight his dedication to advancing the field of coloring compositions and printing inks.

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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