Company Filing History:
9 out of 1,256 
1 out of 1,800 
1 out of 2 Years Active: 1982-2007
Title: Innovations and Contributions of Yoshiei Kato
Introduction
Yoshiei Kato is a prominent inventor based in Chiba, Japan, known for his significant contributions to the field of environmental remediation and silicon refining. With a total of 11 patents to his name, Kato has developed innovative methods that address critical challenges in these areas.
Latest Patents
One of Kato's latest patents is a remediation method of media and iron powder for the dehalogenation of hydrogenated hydrocarbons. This invention provides a method for remediating soil, water, and gases by facilitating the prompt dehalogenation of halogenated hydrocarbons. The process involves allowing the halogenated hydrocarbons to contact an iron powder containing about 0.03 to about 2% by mass of sulfur, preferably on the surface. Another notable patent is for a process and apparatus for refining silicon. This method involves treatment in a graphite vessel with electron beam irradiation while removing impurity elements through evaporation. The use of a single or multiple graphite vessels enhances heat efficiency, prevents contamination, and results in refined silicon with very low impurity levels.
Career Highlights
Throughout his career, Yoshiei Kato has worked with notable companies such as Kawasaki Steel Corporation and JFE Steel Corporation. His experience in these organizations has contributed to his expertise in developing innovative solutions in his field.
Collaborations
Kato has collaborated with esteemed colleagues, including Tetsuya Fujii and Yasuhiko Sakaguchi, further enhancing his work and contributions to the industry.
Conclusion
Yoshiei Kato's innovative patents and career achievements reflect his dedication to advancing technology in environmental remediation and silicon refining. His work continues to have a significant impact on these fields.