Haruhiko Yoshida

Title: Haruhiko Yoshida: Innovator in Hydrogenation Technology

Introduction

Haruhiko Yoshida is a notable inventor based in Kawasaki, Japan. He has made significant contributions to the field of chemical engineering, particularly in the hydrogenation of coal tar pitch. His innovative methods have implications for various industrial applications.

Latest Patents

Yoshida holds a patent for a method for the hydrogenation of coal tar pitch. This method involves subjecting coal tar pitch containing toluene insolubles to slight hydrogenation in the presence of a specific hydrogenation catalyst. The process operates under precise conditions, including a reaction temperature of 280 to 400 degrees Celsius and hydrogen pressure ranging from 20 to 200 kg/cm². The slight hydrogenation is defined by a specific difference in the hydrogen to carbon atomic ratio between the untreated and hydrogenated coal tar pitch.

Career Highlights

Throughout his career, Haruhiko Yoshida has worked with prominent companies such as Nippon Steel Chemical Co., Ltd. and Chiyoda Chemical Engineering & Construction Co., Ltd. His experience in these organizations has allowed him to refine his expertise in chemical processes and innovations.

Collaborations

Yoshida has collaborated with notable colleagues, including Hiroshi Okazaki and Tadashi Komoto. These partnerships have contributed to the advancement of his research and the development of his patented technologies.

Conclusion

Haruhiko Yoshida's work in the hydrogenation of coal tar pitch showcases his innovative spirit and dedication to advancing chemical engineering. His contributions continue to influence the industry and pave the way for future developments.