Satoshi Hiyoshi

Title: Satoshi Hiyoshi: Innovator in Refrigeration Technology

Introduction

Satoshi Hiyoshi is a prominent inventor based in Mie, Japan, known for his contributions to refrigeration technology. With a total of six patents to his name, Hiyoshi has made significant advancements in the field, particularly in refrigerating-machine oil compositions.

Latest Patents

One of Hiyoshi's latest patents focuses on a refrigerating-machine oil composition that includes a specific ester additive and ester base oil. The composition comprises an ester additive, which is at least one ester of isotridecanoic acid with pentaerythritol, and an ester base oil made from polyhydric-alcohol esters. The ester base oil consists of esters derived from two or more aliphatic monocarboxylic acids selected from C4-9 aliphatic monocarboxylic acids with pentaerythritol. Another notable patent is for a pentaerythritol tetraester, which is a mixed ester of pentaerythritol and carboxylic acids, specifically isobutyric acid and 3,5,5-trimethylhexanoic acid. This tetraester exhibits excellent miscibility with difluoromethane refrigerants, enhancing its utility in refrigeration applications.

Career Highlights

Hiyoshi has worked with notable companies in the chemical industry, including Kh Neochem Co., Ltd. and Kyowa Hakko Chemical Co., Ltd. His experience in these organizations has contributed to his expertise in developing innovative solutions for refrigeration technologies.

Collaborations

Throughout his career, Hiyoshi has collaborated with esteemed colleagues such as Toshihiro Inayama and Nobuhito Amemiya. These partnerships have fostered a collaborative environment that has led to the successful development of his patented technologies.

Conclusion

Satoshi Hiyoshi's contributions to refrigeration technology through his innovative patents and collaborations highlight his significant role in advancing this field. His work continues to influence the industry and improve refrigeration solutions.