Kenichi Fujimura

Title: Kenichi Fujimura: Innovator in Electrolytic Etching Technology

Introduction

Kenichi Fujimura is a notable inventor based in Katano, Japan. He has made significant contributions to the field of electrolytic etching, particularly in the development of etchants for ferrite materials used in magnetic heads. His innovative work has paved the way for advancements in magnetic technology.

Latest Patents

Fujimura holds a patent for an etchant specifically designed for electrolytic etching of ferrite materials. The patent describes an etchant comprising an electrolytic liquid that includes sulfuric acid as a main component, combined with water in a weight ratio of sulfuric acid to water between 9:1 and 2:1. This etchant allows for a smooth ferrite surface after electrolytic etching, enabling the etching of ferrite to a large depth. This capability facilitates the precise shaping of ferrite, such as defining the track width of a magnetic head. He has 1 patent to his name.

Career Highlights

Fujimura has been associated with Matsushita Electric Industrial Co., Ltd., where he has contributed to various projects and innovations in the field of electronics and magnetic technology. His work has been instrumental in enhancing the performance and efficiency of magnetic heads used in various applications.

Collaborations

Fujimura has collaborated with notable colleagues, including Tatsuro Kikuchi and Hyogo Hirohata. Their combined expertise has further advanced the research and development of electrolytic etching technologies.

Conclusion

Kenichi Fujimura's contributions to the field of electrolytic etching have significantly impacted the technology used in magnetic heads. His innovative etchant formulation demonstrates the importance of research and development in advancing electronic components.