This inventor holds 1 USPTO granted patent and 1 published patent application. Top assignee: Minebea Mitsumi Inc.. Active years: 2026.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Company Filing History:
Years Active: 2026
Title: Kentaro Hanashima: Inventor of a Rare-Earth Iron-Based Ring Magnet
Introduction
Kentaro Hanashima is an inventor associated with Kitasaku-gun, Japan, and MinebeaMitsumi Inc. His patent work concerns the manufacture of rare-earth iron-based ring magnets.
Latest Patents
The provided information lists one patent for Hanashima: “Rare-earth iron-based ring magnet and method for manufacturing same.” The invention describes a process that begins with rare-earth iron-based magnet powder and a prepared compound, which are formed into a green body. The body is placed in a composite mold and degreased in a spark plasma sintering apparatus under reduced pressure, with current and pressure applied. It is then sintered using further energization and pressure to produce the ring magnet. Hanashima is credited with 1 patent.
Career Highlights
Hanashima’s listed patent highlights a manufacturing approach that combines molding, pressure, and spark plasma sintering to produce a rare-earth iron-based ring magnet. The provided information associates him with MinebeaMitsumi Inc.
Collaborations
Haruhiro Komura is identified as Hanashima’s coworker. The available information does not specify whether Komura collaborated on the listed patent.
Conclusion
Kentaro Hanashima’s listed invention focuses on a process for manufacturing rare-earth iron-based ring magnets, reflecting his patent-related work associated with MinebeaMitsumi Inc.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile