Company Filing History:
Years Active: 1996-2002
Title: Yuichi Sumita: Innovator in Bearing Technology
Introduction
Yuichi Sumita is a prominent inventor based in Kanagawa, Japan. He has made significant contributions to the field of bearing technology, holding a total of 4 patents. His innovative designs and methods have enhanced the performance and reliability of various bearing applications.
Latest Patents
One of Yuichi Sumita's latest patents is for a rolling bearing and bearing device. This invention features a ceramics-coated ball made from steel that has a linear thermal expansion coefficient similar to that of the bearing ring. This design prevents the release of preload or excessive preload during temperature variations, ensuring consistent performance. The ceramics layer also minimizes fretting abrasion, leading to improved running performance and acoustic properties.
Another notable patent is a method of forming annular grooves in a ball polishing apparatus. This method involves rotating one of two plates while balls are sandwiched between them. The pressing force is regulated through a control mechanism, allowing for high-precision machining pressure. This innovation significantly enhances the accuracy of ball polishing.
Career Highlights
Yuichi Sumita is currently employed at NSK Corporation, a leading company in the bearing industry. His work has been instrumental in advancing the technology used in bearings, contributing to the company's reputation for quality and innovation.
Collaborations
Throughout his career, Yuichi has collaborated with notable colleagues such as Chuichi Sato and Katsuhisa Tonooka. These partnerships have fostered a creative environment that encourages the development of cutting-edge technologies in the field.
Conclusion
Yuichi Sumita's contributions to bearing technology exemplify the impact of innovative thinking in engineering. His patents reflect a commitment to enhancing performance and reliability in mechanical applications. His work continues to influence the industry and inspire future innovations.