This inventor holds 2 USPTO granted patents. Top assignee: Sumitomo Chemical Company, Limited. Active years: 1976-1980.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Location History:
- Nara, JA (1976)
- Kitakatsuragi, JP (1980)
Company Filing History:
Years Active: 1976-1980
Title: Innovations of Katsumasa Ohtake
Introduction
Katsumasa Ohtake is a notable inventor based in Nara, Japan. He has made significant contributions to the field of dyeing hydrophobic fiber materials. With a total of 2 patents, Ohtake's work focuses on enhancing the dyeing process for various fibers.
Latest Patents
Ohtake's latest patents include a method for dyeing hydrophobic fiber material with disperse dye. This innovative method allows for dyeing in a bath containing at least nine disperse dyes with different chemical structures, achieving a good levelness in a short period. Another patent involves azo disperse dye mixtures, which consist of at least two compounds that improve dyeability for hydrophobic fibers, particularly polyester fibers.
Career Highlights
Katsumasa Ohtake is associated with Sumitomo Chemical Company, Limited, where he applies his expertise in dyeing technologies. His work has contributed to advancements in the textile industry, particularly in the dyeing of hydrophobic materials.
Collaborations
Ohtake has collaborated with notable coworkers, including Kunihiko Imada and Taizo Ohshima. Their combined efforts have led to innovative solutions in the field of dyeing technologies.
Conclusion
Katsumasa Ohtake's contributions to dyeing hydrophobic fibers demonstrate his innovative spirit and commitment to advancing textile technology. His patents reflect a deep understanding of chemical processes and their applications in the industry.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile