This inventor holds 2 USPTO granted patents and 3 published patent applications and 1 EPO patent. Top assignee: Hitachi Metals, Ltd.. Active years: 2010-2012.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Company Filing History:
Years Active: 2010-2012
Title: Innovations of Yoshiyuki Fujihara
Introduction
Yoshiyuki Fujihara is a notable inventor based in Yasugi, Japan. He has made significant contributions to the field of magnetic materials, holding a total of 2 patents. His work focuses on developing materials with enhanced magnetic properties, which have various applications in technology.
Latest Patents
Fujihara's latest patents include a magnetic shielding material, a magnetic shielding component, and a magnetic shielding room. The magnetic shielding material boasts excellent magnetic shielding properties at low magnetic fields. It comprises specific components by mass: Ni (70.0-85.0%), Cu (0.6% or less), Mo (10.0% or less), and Mn (2.0% or less), with the remainder being substantially Fe. This material achieves a relative magnetic permeability of 40,000 or more under a magnetic field of 0.05 A/m and a squareness ratio of 0.85 or less.
Additionally, he has developed semi-hard magnetic materials, bias materials for magnetic markers, and magnetic markers. These innovations address issues related to hot workability caused by Cu aggregation. The semi-hard magnetic material includes 2.0% ≤ Cu ≤ 10.0% and 0.1% ≤ Nb ≤ 5.0% by mass, with the balance being Fe and inevitable impurities. This material is particularly suitable for use as bias materials for magnetic markers.
Career Highlights
Fujihara is currently employed at Hitachi Metals, Ltd., where he continues to advance his research and development in magnetic materials. His work has been instrumental in enhancing the performance of various magnetic applications.
Collaborations
Fujihara collaborates with esteemed colleagues, including Noriyuki Nakaoka and Shinichiroh Yokoyama. Their combined expertise contributes to the innovative projects at Hitachi Metals.
Conclusion
Yoshiyuki Fujihara's contributions to the field of magnetic materials demonstrate his commitment to innovation and excellence. His patents reflect a deep understanding of material science and its applications in technology.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile