Company Filing History:
Years Active: 1988-1989
Title: Innovator Hiroshi Okayasu: Pioneering Pigment Production in Osaka
Introduction: Hiroshi Okayasu is a notable inventor based in Osaka, Japan, recognized for his contributions to the field of pigment production. With two patents under his name, his innovations focus on advanced processes for creating high-quality pigments essential for various applications, particularly in inks and paints.
Latest Patents: Okayasu's latest patents showcase his expertise in pigment formulation. The first patent outlines a process for producing dioxazine violet pigment. This innovative approach yields a clear-colored pigment that boasts high tinting strength and excellent dispersibility. The process involves treating crude dioxazine violet with sulfuric acid to refine it, followed by treating an aqueous suspension of the resulting pigment alongside alcohol and inorganic salts. The second patent details a method for producing copper phthalocyanine pigment, which serves as a vital coloring material for inks and paints. This process includes the reaction of phthalate, urea, and cuprous chloride in a hydrophilic solvent, with the presence of a catalyst and various carboxylic acids to enhance the final product's quality.
Career Highlights: Hiroshi Okayasu's career is marked by his pivotal role within Sumitomo Chemical Company, Limited. His innovative approaches to pigment production significantly contribute to the company's standing in the chemical industry. By focusing on developing high-performance pigments, Okayasu has established himself as a leading figure in this specialized field.
Collaborations: Throughout his career, Okayasu has collaborated with noteworthy professionals like Taira Fujita and Yoshiaki Hayashi. These partnerships emphasize the importance of teamwork in driving innovation and enhancing the effectiveness of their research and development efforts in pigment technology.
Conclusion: Hiroshi Okayasu's innovative spirit and dedication to creating advanced pigment processes position him as an influential inventor in the field. His contributions not only enhance the quality of products but also drive advancements in the chemical industry, benefiting various sectors that rely on high-performance pigments.
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.