This inventor holds 1 USPTO granted patent. Top assignees: Alps Electric Co., Ltd., Other. Active years: 2000.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Company Filing History:
1 out of 4,048 
1 out of 834,570 Years Active: 2000
Title: Hiroko Uyama: Inventor of an Exchange-Coupling Thin Film
Introduction
Hiroko Uyama is an inventor associated with Miyagi, Japan. Her patent work addresses magnetic materials and devices, including magnetoresistive elements and magnetic heads.
Latest Patents
Uyama is associated with 1 patent: “Exchange Coupling Thin Film and Magnetoresistive Element Comprising the Same.” The invention describes an exchange-coupling thin film made from an antiferromagnetic film and a ferromagnetic film laminated in contact. The antiferromagnetic film is mainly composed of a body-centered cubic crystal phase and contains chromium and at least one specified additional element. The ferromagnetic film contains iron, nickel, or cobalt. The design aims to provide strong exchange coupling, corrosion resistance, and high resistivity, offering an alternative to conventional FeMn- or NiMn-based materials.
Career Highlights
Uyama’s listed company affiliation includes Alps Electric Co., Ltd. Her patent reflects work on materials and structures intended for magnetic sensing and recording applications.
Collaborations
Her listed coworkers include Kazuaki Fukamichi and Kim Jek Jun.
Conclusion
Hiroko Uyama’s patent contribution focuses on a novel exchange-coupling thin film designed to support improved magnetoresistive elements and magnetic heads.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile