Company Filing History:
Years Active: 1995-2023
Title: Norikatsu Fujisawa: Innovator in Magnetic Technologies
Introduction
Norikatsu Fujisawa is a prominent inventor based in Miyagi, Japan. He has made significant contributions to the field of magnetic technologies, holding a total of 5 patents. His work focuses on methods of producing magnetic materials and devices that enhance electromagnetic efficiency.
Latest Patents
Fujisawa's latest patents include a method of producing magnetic powder and a method of producing a magnetic recording medium. The method of producing magnetic powder involves coating the surface of silica-coated precursor particles with a metal chloride or sulfate coating agent, followed by firing the coated precursor particles. Additionally, he has developed a thin film type magnetic head that improves electromagnetic conversion efficiency by gradually increasing magnetic resistance as it approaches a magnetic gap. This innovative magnetic head consists of a pair of magnetic core half members with nonmagnetic substrates and magnetic metal films, along with a coil formed through a thin film process.
Career Highlights
Fujisawa is currently employed at Sony Corporation, where he continues to push the boundaries of magnetic technology. His work has been instrumental in advancing the capabilities of magnetic recording and playback systems.
Collaborations
Fujisawa has collaborated with notable colleagues, including Junichi Honda and Seiji Kumagai, contributing to various projects that enhance the performance of magnetic devices.
Conclusion
Norikatsu Fujisawa's innovative work in magnetic technologies has established him as a key figure in the field. His patents reflect a commitment to advancing technology and improving the efficiency of magnetic systems.