Company Filing History:
Years Active: 2012-2015
Title: Kiyoshi Ootsuka: Innovator in Bearing and Screw Manufacturing
Introduction
Kiyoshi Ootsuka is a notable inventor based in Fujisawa, Japan. He has made significant contributions to the field of manufacturing, particularly in the development of advanced bearing and screw technologies. With a total of 5 patents to his name, Ootsuka's work has had a considerable impact on the industry.
Latest Patents
Ootsuka's latest patents include innovative methods for manufacturing components that enhance performance and efficiency. One of his notable inventions is a manufacturing method for a drawn cup needle roller bearing that includes a seal ring. This method involves several steps, including the formation of an annular first intermediate material, burring working to create an L-shaped cross-section, and cold rolling to regulate dimensions.
Another significant patent is a method for manufacturing a nut for a ball screw. This method allows for the formation of concave structures directly on the inner surface of a nut blank through plastic working, ensuring that the die remains undamaged. The process utilizes a cam driver and cam sliders to achieve precise plastic deformation, resulting in efficient ball return passages.
Career Highlights
Kiyoshi Ootsuka is currently associated with NSK Corporation, a leading company in the manufacturing of bearings and precision machinery. His work at NSK has allowed him to push the boundaries of innovation in the field, contributing to the company's reputation for quality and reliability.
Collaborations
Throughout his career, Ootsuka has collaborated with talented individuals such as Kazuto Kobayashi and Tomohiro Kudou. These collaborations have fostered an environment of creativity and innovation, leading to the development of groundbreaking technologies.
Conclusion
Kiyoshi Ootsuka's contributions to the manufacturing industry through his patents and innovative methods have established him as a prominent figure in his field. His work continues to influence the development of advanced manufacturing techniques, ensuring that he remains a key player in the industry.