This inventor holds 3 USPTO granted patents. Top assignee: Tanaka Kikinzoku Kogyo K.k.. Active years: 2019-2021.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Company Filing History:
Years Active: 2019-2021
Title: Takumi Niitsuma: Innovator in Sliding Contact Materials
Introduction
Takumi Niitsuma is a notable inventor based in Oshu, Japan. He has made significant contributions to the field of materials science, particularly in the development of sliding contact materials and clad materials for electric contacts. With a total of 3 patents, his work has implications for various applications in electrical engineering.
Latest Patents
Niitsuma's latest patents include a sliding contact material and a method for producing the same. This innovative material is designed for use in motor components, particularly brushes. The sliding contact material consists of palladium (Pd) in a concentration of 20.0% to 50.0% by mass, along with nickel (Ni) and/or cobalt (Co) in a total concentration of 0.6% to 3.0% by mass. Additionally, it contains silver (Ag) and inevitable impurities. The material can also include an additive element M, such as tin (Sn) or indium (In), which enhances its properties.
Another significant patent is for a clad material for electric contacts. This invention features a base material made from a copper-based, precipitation-type age-hardening material, bonded to a contact material composed of an Ag alloy. The design minimizes the diffusion region between the two materials, achieving higher conductivity without compromising the properties of the base material.
Career Highlights
Takumi Niitsuma is currently employed at Tanaka Kikinzoku Kogyo K.K., where he continues to innovate in the field of materials science. His work has been instrumental in advancing technologies that require high-performance materials for electrical applications.
Collaborations
Niitsuma collaborates with esteemed colleagues, including Masahiro Takahashi and Takao Asada. Their combined expertise contributes to the development of cutting-edge materials and technologies.
Conclusion
Takumi Niitsuma's contributions to the field of sliding contact materials and clad materials for electric contacts highlight his innovative spirit and dedication to advancing technology. His patents reflect a commitment to improving the performance and efficiency of electrical components.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile