Location History:
- Yokohama, JP (2014)
- Yokohama Kanagawa, JP (2016 - 2023)
Company Filing History:
10 out of 52,766 
8 out of 1,522 Years Active: 2014-2025
Title: Naoto Akatsuka: Innovator in Disk Device Technology
Introduction
Naoto Akatsuka is a prominent inventor based in Yokohama, Kanagawa, Japan. He has made significant contributions to the field of disk device technology, holding a total of 10 patents. His innovative designs have advanced the functionality and reliability of disk devices, making them more efficient and user-friendly.
Latest Patents
One of Akatsuka's latest patents is a disk device designed to cover a welded part of a housing with a protective member. This invention includes a recording medium of disk form, a magnetic head, a housing, and a first protective member made of resin. The design ensures that the recording medium, which contains a recording layer, is effectively protected. The magnetic head is configured to read and write information from and to the recording medium, while the housing features a base with an inner chamber that accommodates both the recording medium and the magnetic head. The protective member is strategically located outside the housing to cover at least part of the welded area.
Another notable patent is a disk device with grease splash prevention. This invention comprises a first actuator assembly and a second actuator assembly, each supported by respective bearing units that allow for rotation about a support shaft. The design includes a first sleeve and a ball bearing in the first bearing unit, along with a second sleeve and a ball bearing in the second bearing unit. The innovative structure of the sleeves and their respective end surfaces helps prevent grease splash, enhancing the overall performance of the disk device.
Career Highlights
Throughout his career, Naoto Akatsuka has worked with notable companies, including Toshiba Corporation and Toshiba Electronic Devices & Storage Corporation. His experience in these organizations has allowed him to refine his skills and contribute to groundbreaking advancements in disk technology.
Collaborations
Akatsuka has collaborated with esteemed colleagues such as Yoshinori Sato and Hideaki Kamezawa. These partnerships have fostered a creative environment that has led to the development of innovative solutions in the field.
Conclusion
Naoto Akatsuka's contributions to disk device technology are significant and impactful. His innovative patents and collaborations with industry leaders have positioned him as a key figure in advancing this technology. His work continues to influence the design and functionality of disk devices, ensuring their relevance in an ever-evolving technological landscape.