This inventor holds 4 USPTO granted patents and 1 published patent application and 3 EPO patents. Top assignee: Ntn Corporation. Active years: 2018-2024.
Company Filing History:
Years Active: 2018-2024
Title: The Innovations of Hiroharu Nagata: Pioneering Sintered Metal Technologies
Introduction
Hiroharu Nagata is an accomplished inventor based in Aichi, Japan. He holds a total of four patents, showcasing his contributions to the field of sintered metal technologies. Nagata's work has significantly influenced the manufacturing of machine components, particularly in the automotive industry.
Latest Patents
His latest patents reflect innovative approaches to material utilization and component design. One notable invention is a machine component made from ferrous sintered metal, where raw material powders—comprising iron powder, copper powder, and tin powder—are compressed to form a green compact. This compact is then sintered at temperatures ranging from 750 to 900° C, effectively bonding the iron structures with copper and tin. Another significant patent is for a sintered bearing specifically designed for an EGR valve. This sintered bearing utilizes a unique mixture of raw materials, including 9% to 12% by weight of aluminum, 0.1% to 0.6% by weight of phosphorus, 3% to 10% by weight of graphite, with copper forming the main component and inevitable impurities. This invention features a sintered aluminum-copper alloy structure with free graphite distributed within the pores.
Career Highlights
Hiroharu Nagata is associated with NTN Corporation, where he leverages his expertise in advanced materials and sintered technologies. His contributions have positioned him as a key figure in the creation of innovative components that are applied in various industrial applications, particularly in the automotive sector.
Collaborations
Throughout his career, Nagata has collaborated with notable coworkers, including Toshihiko Mouri and Yoshinori Ito. These partnerships have allowed for the exchange of ideas and technical expertise, contributing to the successful development of several patented technologies.
Conclusion
Hiroharu Nagata's innovations in sintered metal technologies have marked significant advancements in the industry. With a solid foundation of patents and collaborative efforts, he continues to drive progress in the manufacturing of machine components, showcasing his dedication to innovation and excellence in engineering.