Shozi Koyama is an innovative inventor based in Yamaguchi, Japan, known for his significant contributions to gas separation technology. With a total of four patents to his name, Koyama has developed methods and apparatuses aimed at producing superpure nitrogen and enhancing gas separation processes.

Latest Patents

One of Koyama's latest inventions is a method and apparatus for producing superpure nitrogen. This innovation involves utilizing a nitrogen gas line and a liquid nitrogen line subjected to hot-blast baking with clean nitrogen gas and a gas containing oxygen. This process effectively excludes outgasses, such as moisture, which can develop from heat exchangers, valves, and piping. To achieve high purity nitrogen gas, liquid nitrogen with low contents of high-boiling components is processed through rectifying separation before being gasified. The invention incorporates co-adsorbers to absorb and remove carbon monoxide, resulting in high-quality nitrogen gas and liquid nitrogen as end products.

Another notable patent is a method and apparatus for gas separation. This invention utilizes an expander compressor to pressurize a portion of raw gas from an adsorbing tower, which is then cooled using a main heat exchanger. The pressurized gas is subsequently expanded through an expansion turbine of the expander compressor, allowing for efficient gas separation using a straightforward arrangement.

Career Highlights

Shozi Koyama is affiliated with Hitachi, Ltd., where he has been instrumental in advancing the company's capabilities in gas separation technologies. His innovative approach has not only led to the acquisition of patents but has also enhanced operational efficiency in various applications related to gas processing.

Collaborations

During his career, Koyama has collaborated with notable coworkers, including Masahiro Yamazaki and Takazumi Ishizu. Working together, they have contributed to the development of pioneering technologies that address industry challenges and improve gas separation efficiency.

Conclusion

Shozi Koyama's contributions to the field of gas separation technology through his inventive patents underscore his role as a notable figure in the landscape of modern innovations. His work at Hitachi, Ltd. continues to influence advancements in the industry, providing solutions that enhance the purity and separation of gases essential for various applications.

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