Company Filing History:
Years Active: 1984-1985
Title: Kenji Yoshinaga: Innovator in Disperse Dye Technology
Introduction
Kenji Yoshinaga is a notable inventor based in Toyonaka, Japan. He has made significant contributions to the field of dye technology, particularly in the development of innovative compounds for dyeing hydrophobic fibers. With a total of 2 patents, his work has garnered attention for its practical applications and cost-effectiveness.
Latest Patents
Yoshinaga's latest patents include a compound known as 2-Cyano-4-nitro-6-chlorophenylazo 3-acetyl. This compound is designed for use as a blue disperse dye of hydrophobic fibers, either alone or in combination with anthraquinone. It combines low cost relative to anthraquinone with superior stability in the dye bath and excellent dyeability. The mixed dyes retain the brilliance of color imparted by anthraquinone, while also exhibiting good color fastness, dyeability, and reproducibility characteristics.
Another significant patent is for monoazo dyestuffs derived from benzothiazole. This disperse dye is useful for dyeing hydrophobic fibers in brilliant red to violet shades with good fastness. The formula includes various alkyl groups and functional groups that enhance its dyeing capabilities.
Career Highlights
Kenji Yoshinaga is currently associated with Sumitomo Chemical Company, Limited, where he continues to innovate in the field of dye technology. His work has not only advanced the science of dyeing but has also contributed to the economic aspects of dye production.
Collaborations
Yoshinaga has collaborated with notable coworkers such as Kiyoyasu Hashimoto and Hirohito Kenmochi. Their combined expertise has further enriched the research and development efforts within their field.
Conclusion
Kenji Yoshinaga's contributions to dye technology exemplify the intersection of innovation and practicality. His patents reflect a commitment to advancing the industry while maintaining cost-effectiveness. His work continues to influence the field of dyeing hydrophobic fibers, showcasing the importance of innovation in everyday applications.
Inventor’s Patent Attorneys refers to legal professionals with specialized expertise in representing inventors throughout the patent process. These attorneys assist inventors in navigating the complexities of patent law, including filing patent applications, conducting patent searches, and protecting intellectual property rights. They play a crucial role in helping inventors secure patents for their innovative creations.