Location History:
- Yokohama, JP (1980 - 1982)
- Kawasaki, JP (1990 - 1992)
Company Filing History:
Years Active: 1980-1992
Title: The Innovative Contributions of Tomio Segawa
Introduction
Tomio Segawa is a notable inventor based in Kawasaki, Japan. He has made significant contributions to the field of chemistry, particularly in the production of phthalocyanine compounds. With a total of four patents to his name, Segawa's work has advanced the understanding and application of these important chemical compounds.
Latest Patents
Segawa's latest patents include a process for producing a copper phthalocyanine compound. This process involves heating and reacting phthalic acid or its derivatives, urea or a urea derivative, and cuprous chloride in the presence of a catalyst within an inert organic solvent. Notably, the cuprous chloride is utilized in an amount ranging from 95 to 99% of the stoichiometric amount relative to the phthalic acid or its derivative. Another significant patent is for a process for producing a metal phthalocyanine and/or its derivative. This process improves the production by adding cyanuric acid and/or its derivative during the reaction involving phthalic anhydride and/or its derivative, urea, and a metal compound in an organic solvent.
Career Highlights
Tomio Segawa is currently employed at Kawasaki Kasei Chemicals Ltd., where he continues to innovate and contribute to the field of chemical engineering. His work has not only advanced the production processes but has also opened new avenues for research and application in various industries.
Collaborations
Segawa has collaborated with notable coworkers such as Kazuhiro Maruyama and Tadashi Ninomiya. Their combined expertise has fostered a productive environment for innovation and development within their projects.
Conclusion
Tomio Segawa's contributions to the field of chemistry, particularly through his innovative patents, highlight his role as a significant inventor in the industry. His work continues to influence the production of phthalocyanine compounds, showcasing the importance of innovation in chemical processes.