Tsugane Hirase

Title: Tsugane Hirase: Innovator in Engine Technology

Introduction

Tsugane Hirase is a notable inventor based in Ichinoseki, Japan. He has made significant contributions to the field of internal combustion engine technology, holding a total of 2 patents. His work focuses on enhancing the performance and efficiency of engine components.

Latest Patents

Hirase's latest patents include a highly heat conductive piston ring for internal combustion engines. This innovative piston ring is designed to maintain a gas seal function and a heat transfer function over extended periods, particularly in high-compression gasoline engines. The piston ring is made from Mn—Cr steel, which includes specific percentages of carbon, silicon, manganese, chromium, phosphorus, and sulfur to optimize its performance.

Another significant patent involves a combination of a cylinder liner and a piston ring. The cylinder liner is composed of silicon, magnesium, copper, iron, and nickel, with precise surface roughness profiles. The piston ring features a specific composition of carbon, chrome, molybdenum, silicon, and manganese, ensuring durability and efficiency in engine operation.

Career Highlights

Throughout his career, Tsugane Hirase has worked with prominent companies in the automotive industry, including Nippon Piston Ring Co., Ltd. and Nissan Motor Company Limited. His experience in these organizations has allowed him to develop and refine his innovative ideas in engine technology.

Collaborations

Hirase has collaborated with notable coworkers such as Iwao Hiraishi and Katsuaki Ogawa. Their combined expertise has contributed to the advancement of engine component technology.

Conclusion

Tsugane Hirase's contributions to engine technology through his patents and collaborations highlight his role as an influential inventor in the automotive industry. His innovative designs continue to impact the performance of internal combustion engines.