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Years Active: 1994-2007
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Title: Nobuyuki Inaba: A Pioneer in Magnetic Recording Technologies
Introduction
Nobuyuki Inaba, a prominent inventor based in Hasuda, Japan, has made significant contributions to the field of magnetic recording technology. With a remarkable portfolio of 43 patents, Inaba has consistently pushed the boundaries of innovation in this domain, particularly through his work with leading companies like Hitachi, Ltd. and Hitachi Maxell, Limited.
Latest Patents
Among his latest inventions, Inaba developed a magnetic recording medium and a magnetic recording and reproducing apparatus. This invention features a magnetic recording medium consisting of a substrate, an under-layer, a magnetic layer, and a protective layer. The magnetic layer, composed of cobalt (Co), chromium (Cr), and platinum (Pt), boasts a thickness ranging from 10 nm to 22 nm, with a coercivity of no less than 2000 Oe. Additionally, the fluctuation field of magnetic viscosity at a field strength equivalent to remanence coercivity or coercivity is not less than 30 Oe.
Another notable patent focuses on an information recording medium with magnetic marks, along with a recording and reproducing apparatus and a head positioning method utilizing detected magnetic leakage fields from these marks. This invention allows for dense recording and reproduction of information by lowering the floating height of the recording and reproducing heads. The recording medium itself features a flat substrate, ensuring consistent and high-density information management, while servo patterns and management information are pre-recorded as magnetic marks.
Career Highlights
Inaba's illustrious career includes significant roles at prestigious firms such as Hitachi, Ltd. and Hitachi Maxell, Limited. His work there has been pivotal in advancing magnetic recording technologies that have applications across multiple sectors, enhancing data storage and retrieval capabilities that are crucial in today’s digital age.
Collaborations
Throughout his career, Inaba has collaborated with esteemed colleagues, including Masaaki Futamoto and Yukio Honda. These collaborations have fostered a dynamic environment for innovation, allowing the exchange of ideas and expertise that have contributed to the development of cutting-edge magnetic technologies.
Conclusion
Nobuyuki Inaba's legacy as an inventor is marked by his substantial contributions to magnetic recording technologies. His continuous innovation and collaboration with industry leaders underscore his importance in the field, making him a notable figure in the world of inventions and patents.