Hitachi, Japan

Fumio Nakano

This inventor holds 23 USPTO granted patents, primarily in Magnetic Recording Technology. Top assignees: Hitachi, Ltd., Hitachi Chemical Company, Ltd., Hitachi Maxell, Limited. Active years: 1976-1993.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Fumio Nakano. Retrieved from https://idiyas.com/inventor/fumio-nakano

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile


% Patents Active = 100.0

Average Co-Inventor Count = 4.5

ph-index = 10

Forward Citations = 487(Granted Patents)


Location History:

  • Hitachi, JA (1976 - 1978)
  • Odawara, JP (1992)
  • Hitachi, JP (1982 - 1993)

Company Filing History:


Years Active: 1976-1993

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Areas of Expertise:
Magnetic Recording Medium
Lubricating Layer
Semiconductor Device
Optical Modulation Element
Liquid Crystal Display
Nematic Liquid Crystal
Emulsion Type Lubricant
Moistureproof Insulating Coating
Pleochroic Color Display
Metal Forming Lubricant
Cold Plastic Working
23 patents (USPTO):Explore Patents

Title: **Fumio Nakano: Innovator in Magnetic Recording Technologies**

Introduction

Fumio Nakano, based in Hitachi, Japan, is a prolific inventor with a remarkable portfolio of 23 patents to his name. His work primarily focuses on advancements in magnetic recording technologies, which have significantly influenced the field of data storage. With a strong background in engineering and innovation, Nakano continues to contribute valuable insights and developments in this area.

Latest Patents

Among Nakano's latest patents is a magnetic recording medium featuring a lubricating layer comprising a binder. This patent describes a magnetic recording medium that includes a non-magnetic substrate with a magnetic layer formed on it. The surface portion of the magnetic layer is constructed from an organic compound containing both a perfluoro group and a hydrocarbon group, which enhances durability and provides long-lasting lubricating effects.

Another significant patent by Nakano outlines a magnetic recording apparatus that consists of a magnetic recording medium featuring a non-magnetic substrate. This invention describes a thin film magnetic layer situated on the substrate's surface and an organic thin film protective layer on the magnetic layer itself. This protective layer, measuring no more than 100 nm in thickness, incorporates a filler with a particle size not exceeding 50 nm and is further coated with a fluorine-based compound to optimize performance.

Career Highlights

Fumio Nakano has made significant contributions through his work at Hitachi, Ltd. and Hitachi Maxell, Limited. His role in these esteemed organizations has been pivotal in the development of innovative technologies, particularly in magnetic recording systems.

Collaborations

Throughout his career, Nakano has had the opportunity to collaborate with esteemed colleagues such as Shigeki Komatsuzaki and Mikio Sato. These collaborations have fostered a creative environment leading to numerous breakthroughs in their respective fields.

Conclusion

Fumio Nakano stands out as an influential inventor whose advancements in magnetic recording technologies continue to shape the industry. With a proven track record of innovation and a commitment to excellence, Nakano's contributions will likely inspire future developments in data storage and retrieval solutions.

Profile summary based on public USPTO records.
Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]
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