Katsuyuki Hashizume

Title: Innovations of Katsuyuki Hashizume

Introduction

Katsuyuki Hashizume is a notable inventor based in Toyota, Japan. He has made significant contributions to the field of engineering, particularly in the development of sliding bearings. With a total of eight patents to his name, Hashizume's work showcases his expertise and innovative spirit.

Latest Patents

Among his latest patents, Hashizume has developed a sliding bearing that boasts excellent initial conformability and seizure resistance, along with high durability and heat resistance. This sliding bearing features a coating layer that contains a resin and a solid lubricant formed on a bearing alloy layer. The resin used in this coating layer has a glass transition temperature ranging from 150°C to 250°C, providing great elongation at high temperatures. Another notable patent involves a sliding bearing with a helical groove formed in the sliding surface over the entire axial region. This design establishes a peak height defined by the helical groove, allowing for increased lubricant oil supply, which reduces frictional resistance and minimizes impact sound.

Career Highlights

Hashizume has worked with prominent companies such as Taiho Kogyo Co., Ltd. and Toyota Motor Corporation. His experience in these organizations has allowed him to refine his skills and contribute to advancements in bearing technology.

Collaborations

Throughout his career, Hashizume has collaborated with talented individuals, including Soji Kamiya and Yoshio Kumada. These partnerships have fostered innovation and have been instrumental in the development of his patented technologies.

Conclusion

Katsuyuki Hashizume's contributions to the field of engineering, particularly in sliding bearing technology, highlight his innovative capabilities and dedication to advancing the industry. His patents reflect a commitment to improving performance and efficiency in mechanical applications.