Matsubara, Japan

Kazutoshi Akiyama

This inventor holds 4 USPTO granted patents. Top assignee: Orient Chemical Industries, Ltd.. Active years: 1987-1994.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Kazutoshi Akiyama. Retrieved from https://idiyas.com/inventor/kazutoshi-akiyama

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

Calculating rank

% Patents Active = 100.0

Average Co-Inventor Count = 2.4

ph-index = 3

Forward Citations = 43(Granted Patents)


Company Filing History:


Years Active: 1987-1994

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

Title: Kazutoshi Akiyama: Innovator in Dye Production and Ink Composition

Introduction

Kazutoshi Akiyama is a notable inventor based in Matsubara, Japan. He has made significant contributions to the field of dye production and ink composition, holding a total of 4 patents. His work focuses on creating materials with enhanced properties for various applications.

Latest Patents

Akiyama's latest patents include a process for the production of an azine dye that exhibits excellent heat and light resistance. This innovative dye can be utilized as a colorant for heat-resistant resin materials, such as polyamide, and serves as a colorant and charge control agent for electrostatic image developing toners. The process involves mixing crude azine dye, produced by the condensation of anilines or aniline hydrochlorides with nitrobenzenes in the presence of catalysts, with organic solvents, followed by the extraction of by-products from the mixture. Another significant patent is an aqueous ink composition that boasts excellent physical properties across various aspects, enhancing its usability in different applications.

Career Highlights

Kazutoshi Akiyama has been instrumental in advancing the field of chemical engineering through his innovative approaches to dye and ink production. His work has not only contributed to the development of new materials but has also improved existing technologies in the industry.

Collaborations

Akiyama has collaborated with notable coworkers, including Takashi Ono and Tatsuya Yagyu, to further enhance his research and development efforts. Their combined expertise has led to significant advancements in the field.

Conclusion

Kazutoshi Akiyama's contributions to dye production and ink composition highlight his role as an influential inventor in the chemical industry. His innovative patents continue to impact various applications, showcasing the importance of research and development in creating advanced materials.

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…