Yukihisa Matsumura

Title: Innovations of Yukihisa Matsumura

Introduction

Yukihisa Matsumura is a notable inventor based in Ichihara, Japan. He has made significant contributions to the field of magnetic recording technology. With a total of 5 patents to his name, Matsumura's work has advanced the understanding and manufacturing of magnetic recording media.

Latest Patents

Matsumura's latest patents include a substrate for magnetic recording medium, a magnetic recording medium, a method of manufacturing magnetic recording medium, and a method of inspecting surface. One of his key inventions is a substrate for a magnetic recording medium that features a disc shape with a central hole. This substrate is designed to have a surface roughness of 1 angstrom or less in terms of root mean square roughness (Rq) when a space period of an undulation in the circumferential direction is between 10 to 1,000 micrometers. Additionally, he has developed a magnetic recording medium substrate made of amorphous glass of BO—AlO—SiO—LiO type, which prevents the generation of projections on a magnetic film due to the movement of lithium ions.

Career Highlights

Throughout his career, Matsumura has worked with prominent companies such as Showa Denko K.K. and Showa Denko Kabushiki Kaisha. His innovative approaches have led to advancements in the manufacturing processes of magnetic recording media.

Collaborations

Matsumura has collaborated with notable coworkers, including Masato Fukushima and Ryuji Sakaguchi. Their combined expertise has contributed to the success of various projects in the field of magnetic recording technology.

Conclusion

Yukihisa Matsumura's contributions to magnetic recording technology through his patents and collaborations have significantly impacted the industry. His innovative work continues to influence advancements in this field.