Yoshihiko Hase

Title: Innovation and Impact of Inventor Yoshihiko Hase

Introduction

Yoshihiko Hase, an accomplished inventor based in Ichihara, Japan, has made significant contributions to the field of petroleum processing. With a total of three patents to his name, Hase has focused on innovations that enhance the production of petroleum coke, illustrating his expertise in chemical engineering and industrial applications.

Latest Patents

Hase's latest patents revolve around processes that improve the quality and production efficiency of high-crystalline petroleum coke. His first patent details a method for the production of petroleum coke which involves heat-soaking a petroleum feedstock in the presence of added dissolved sulfur and controlling thermal cracking. This method ensures the separation of non-crystalline substances as pitch and allows for the recovery of a heavy cokable residue.

The second patent outlines a process for producing high-crystalline petroleum coke specifically from low-sulfur petroleum feedstock. This innovation includes preheating the feedstock under specific conditions, performing flash distillation to remove non-crystalline substances, and subjecting the resultant heavy residue to delayed coking. The resulting coke is remarkable for its coefficient of thermal expansion, measuring less than 1.0 × 10^-6 /°C over a temperature range of 100°C to 400°C.

Career Highlights

Throughout his career, Yoshihiko Hase has been affiliated with notable companies, including Maruzen Petrochemical Company, Limited and The Lummus Company. These positions have allowed him to leverage his expertise in chemical processes and contribute to advancements in petroleum technologies.

Collaborations

In his journey as an inventor, Hase has collaborated with esteemed professionals in his field, including Kiyoshige Hayashi and Mikio Nakaniwa. Working alongside such talented individuals has played a vital role in enhancing his research outcomes and facilitating innovative breakthroughs.

Conclusion

Yoshihiko Hase stands out as a prominent figure in the field of petroleum coke production, holding three significant patents that advocate for improved processes and environmental efficiency. His work not only advances industrial practices but also showcases the potential for innovation in the petroleum industry. Through collaborations and his roles in key companies, Hase continues to influence and shape the future of materials technology.