Company Filing History:
Years Active: 1979-1992
Title: The Innovations of Tadashi Ninomiya
Introduction
Tadashi Ninomiya 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 3 patents to his name, Ninomiya's work has advanced the understanding and application of these compounds in various industries.
Latest Patents
Ninomiya's latest patents include a process for producing a copper phthalocyanine compound. This innovative 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. The method specifies that cuprous chloride is used 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
Ninomiya is currently employed at Kawasaki Kasei Chemicals Ltd., where he continues to innovate and develop new chemical processes. His work has not only contributed to the company's success but has also positioned him as a key figure in the field of chemical engineering.
Collaborations
Throughout his career, Ninomiya has collaborated with esteemed colleagues such as Tomio Segawa and Kazuhiro Maruyama. These partnerships have fostered a collaborative environment that encourages innovation and the sharing of ideas.
Conclusion
Tadashi Ninomiya's contributions to the field of chemistry, particularly through his patents, highlight his role as an influential inventor. His innovative processes for producing phthalocyanine compounds demonstrate his commitment to advancing chemical engineering.