Katsunori Itoh

Title: Innovations of Katsunori Itoh in Rolling Contact Bearings

Introduction

Katsunori Itoh is a notable inventor based in Nishikasugai-gun, Japan. He has made significant contributions to the field of mechanical engineering, particularly in the development of rolling contact bearings. His innovative approach has led to advancements that enhance the performance and cost-effectiveness of these essential components in various applications.

Latest Patents

Katsunori Itoh holds a patent for a rolling contact bearing and a method of producing it. This invention focuses on a carbonitrided bearing primarily used for automobile transmissions. The design aims to reduce the amount of alloy ingredients in the steel, thereby maintaining good cold working performance. Additionally, the carbonitriding time is shortened to lower production costs while extending the rolling fatigue life, especially under lubrication with foreign elements. The bearing race member is crafted from medium carbon steel, which consists of specific weight percentages of carbon, silicon, manganese, and chromium. The case-hardened layers obtained through carbonitriding, followed by quenching and tempering, ensure durability and performance.

Career Highlights

Katsunori Itoh is associated with NTN Corporation, a leading company in the manufacturing of bearings and other related products. His work at NTN Corporation has allowed him to apply his innovative ideas in a practical setting, contributing to the company's reputation for quality and reliability in the industry.

Collaborations

Katsunori Itoh has collaborated with Noriyuki Tsushima, a fellow inventor, to further enhance the development of rolling contact bearings. Their combined expertise has led to advancements that benefit the automotive industry and beyond.

Conclusion

Katsunori Itoh's contributions to the field of rolling contact bearings exemplify the importance of innovation in engineering. His patent reflects a commitment to improving performance while reducing costs, showcasing the potential for advancements in mechanical components.