Kiyoshi Hanyuda

Title: Kiyoshi Hanyuda: Innovator in Lubricant Technology

Introduction

Kiyoshi Hanyuda is a notable inventor based in Aikou, Japan. He has made significant contributions to the field of lubricant technology, holding a total of five patents. His work focuses on developing advanced lubricating oil compositions that enhance performance and efficiency.

Latest Patents

Hanyuda's latest patents include a lubricant composition that provides a lubricating oil containing a base oil composition from Group 3 of the American Petroleum Institute (API). This innovative composition features a comb-like polymethacrylate-based viscosity index improver, with a weight-halving temperature of not less than 310°C. Additionally, the lubricating oil composition has a sulphur content of no more than 0.3 weight % and is designed with an SAE viscosity grade of 0W-20, 5W-20, or 5W-30. Another significant patent is a lubricating oil composition for internal combustion engines, which exhibits a lower coefficient of friction and improved cleaning properties without compromising thermal and oxidation stability.

Career Highlights

Throughout his career, Hanyuda has worked with prominent companies in the industry, including Shell Oil Company and Shell Internationale Research Maatschappij B.V. His experience in these organizations has allowed him to refine his expertise in lubricant formulations and applications.

Collaborations

Hanyuda has collaborated with notable colleagues such as Kouichi Kubo and Mao Ueda. These partnerships have contributed to the advancement of lubricant technologies and innovations.

Conclusion

Kiyoshi Hanyuda's contributions to lubricant technology through his patents and collaborations highlight his role as an influential inventor in the field. His work continues to impact the industry positively.