Company Filing History:
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Years Active: 1985-2006
Title: The Innovative Contributions of Yuuichi Kokaku
Introduction
Yuuichi Kokaku, an acclaimed inventor based in Yokohama, Japan, has made significant strides in the field of magnetic recording technology. With a total of 13 patents to his name, Kokaku's work continues to influence advancements in the industry.
Latest Patents
Among Kokaku's latest innovations are two pivotal patents related to magnetic recording mediums. The first patent involves a magnetic recording medium characterized by a unique protective layer configuration. This magnetic layer is positioned on a non-magnetic substrate, intercalated with an under layer that ensures the proportion of functional groups per 100 carbon atoms in a diamond-like carbon protective layer exceeds 20%. This design notably enhances the bonding force between the protective layer and the lubricating layer, ensuring that under high-speed rotation, the lubricating layer remains intact, thus providing increased reliability in magnetic recording apparatus.
The second patent outlines a comprehensive method for manufacturing a magnetic recording medium. This method describes the process of forming a first protective layer of a primary material over a magnetic film located on a substrate. The thickness of this first protective layer ranges from approximately 0.2 nm to 2 nm. Subsequently, a second protective layer is created by introducing ions of the second material into the first protective layer, effectively preventing these ions from penetrating the magnetic film.
Career Highlights
Throughout his career, Yuuichi Kokaku has worked with notable companies such as Hitachi, Ltd. and Hitachi Global Storage Technologies Japan, Ltd. His contributions in these organizations have played a crucial role in enhancing the performance and reliability of magnetic storage devices.
Collaborations
Kokaku has also collaborated with talented individuals such as Yoshinori Honda and Toshinori Ono. These partnerships have fostered an environment of innovation that has significantly impacted the technological advancements in the field of data storage.
Conclusion
Yuuichi Kokaku's inventive prowess and dedication to his field have established him as a key figure in magnetic recording technology. His patents not only reflect his innovative spirit but also set the stage for future advancements in the industry, underscoring the importance of continued research and development in this essential area of technology.