Location History:
- Wakayama, JP (1987 - 1988)
- Osaka, JP (1990)
- Utsunomiya, JP (1992)
- Tochigi-ken, JP (1996)
- Tochigi, JP (2003)
Company Filing History:
Years Active: 1987-2003
Title: Michihide Yamauchi: Innovator in Wrapping Films and Magnetic Recording Media
Introduction
Michihide Yamauchi is a notable inventor based in Wakayama, Japan. He has made significant contributions to the fields of wrapping films and magnetic recording media. With a total of 9 patents to his name, Yamauchi continues to push the boundaries of innovation.
Latest Patents
One of his latest inventions is a wrapping film that features a sticky surface, convexities, and flat portions of film disposed between the convexities on at least one side. This film comprises at least one agent selected from a group that includes a surface active agent, an adhesive agent, and an oily agent. The wrapping film exhibits a shear adhesion strength of at most 400 cN/25 cm when measured after contact with a glass surface under specific conditions. Additionally, it has a shear adhesion strength of at least 700 cN/25 cm under different pressure conditions. The film's design allows for a ratio of the height of the convexities to the thickness of the flat portion ranging from 0.03 to 1.67. Furthermore, it may possess a surface roughness and waviness of at least 40 nm and an elongation at break of at least 10%.
Another significant patent involves a magnetic recording medium that consists of a substrate and a magnetic film formed on it. The substrate is made from a conductive material and is processed by electroetching. This innovative medium boasts excellent surface characteristics, durability, and minimal spacing loss, resulting in superior recording and playback capabilities.
Career Highlights
Yamauchi is currently associated with Kao Corporation, a company known for its commitment to innovation and quality. His work has significantly impacted the development of advanced materials in the industry.
Collaborations
Yamauchi has collaborated with notable coworkers, including Nobuyuki Kishine and Tetsuya Imamura, contributing to various projects that enhance the technological landscape.
Conclusion
Michihide Yamauchi's contributions to wrapping films and magnetic recording media exemplify his innovative spirit and dedication to advancing technology. His patents reflect a deep understanding of material science and engineering, making him a key figure in his field.