Location History:
- Ohmuta, JA (1977)
- Omuta, JA (1978)
- Omuta, JP (1979 - 1980)
- Yokohama, JP (1982 - 1989)
- Sakai, JP (1998)
- Fukuoka-ken, JP (1998)
Company Filing History:
12 out of 1,379 
1 out of 1,788 Years Active: 1977-1998
Title: **The Innovations of Katsuharu Miyata: Pioneering Chemical Processes**
Introduction
Katsuharu Miyata, an accomplished inventor based in Omuta, Japan, has made significant contributions to the field of chemical processes, holding an impressive total of 13 patents. His work primarily focuses on the preparation of aromatic compounds and catalysts, advancing the efficiency and safety of chemical reactions in industrial settings.
Latest Patents
Among his noteworthy patents, two stand out for their innovative approaches. The first is a **Preparation Process for Aromatic Mononitro Compounds**, which details an enhanced procedure for obtaining aromatic mononitro compounds through the reaction of an aromatic compound with a mixed acid containing nitric and sulfuric acids. This method addresses critical issues such as poor mixing efficiency and safety hazards by utilizing a specially designed reactor with twisted tabular members. This design significantly reduces the formation of by-products while expediting the reaction process.
The second significant patent is a **Catalyst for Preparing Chlorine from Hydrogen Chloride**, introducing an improved catalyst primarily composed of chromium oxide. This catalyst maintains its activity under low oxygen conditions and has a prolonged lifespan, demonstrating its effectiveness in producing chlorine via the oxidation of hydrogen chloride. The preparation method includes the addition of various metals, enhancing catalytic performance and stability.
Career Highlights
Throughout his career, Miyata has collaborated with leading companies in the chemical industry, including Mitsui Toatsu Chemicals and Mitsui Chemicals. His experience at these organizations has played a crucial role in developing and refining his inventive processes.
Collaborations
Katsuharu Miyata has worked alongside notable colleagues such as Yutaka Hirai and Seiji Hasegawa, whose collaborations have undoubtedly contributed to the success of his innovative endeavors. Their joint efforts in research and development have fostered advancements in the field.
Conclusion
Katsuharu Miyata stands out as a prominent figure in the realm of chemical innovation, with his extensive patent portfolio reflecting his dedication to enhancing industrial processes. His contributions have not only improved the efficiency and safety of chemical reactions but have also paved the way for future advancements in the industry.