This inventor holds 1 USPTO granted patent. Top assignee: Hitachi Metals, Ltd.. Active years: 1987.
Company Filing History:
Years Active: 1987
Title: Etsuo Yanagisawa: Innovator in Magnetic Head Assembly Technology
Introduction
Etsuo Yanagisawa is a notable inventor based in Tochigi, Japan. He has made significant contributions to the field of magnetic head assembly technology. His innovative work has led to the development of a unique patent that enhances the performance of magnetic components.
Latest Patents
Etsuo Yanagisawa holds a patent for a non-magnetic part in a magnetic head assembly. This invention involves a non-magnetic part bonded to a magnetic core portion made of Ni-Zn ferrite. The assembly is constructed from a ceramic material that consists of 30 to 50 volume % of TiO.sub.2 and 70 to 50 volume % of Ba.sub.2 Ti.sub.9 O.sub.20 and BaAl.sub.2 Ti.sub.5 O.sub.14. The volume ratio of Ba.sub.2 Ti.sub.9 O.sub.20 to the total volume of Ba.sub.2 Ti.sub.9 O.sub.20 and BaAl.sub.2 Ti.sub.5 O.sub.14 is specified to be between 0.05 to 0.5. This innovation is crucial for improving the efficiency and effectiveness of magnetic head assemblies.
Career Highlights
Etsuo Yanagisawa is associated with Hitachi Metals, Ltd., where he has been able to apply his expertise in materials science and engineering. His work has not only contributed to the company's advancements but has also positioned him as a key figure in the industry.
Collaborations
Throughout his career, Etsuo has collaborated with notable colleagues such as Noriaki Uchida and Makoto Ushijima. These collaborations have fostered an environment of innovation and have led to further advancements in their respective fields.
Conclusion
Etsuo Yanagisawa's contributions to magnetic head assembly technology exemplify the impact of innovative thinking in engineering. His patent and work at Hitachi Metals, Ltd. highlight the importance of continuous development in technology.