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For the Inventor, By the Inventor

Otake, Japan

Kenichi Nakata

This inventor holds 7 USPTO granted patents. Top assignee: Toda Kogyo Corporation. Active years: 2000-2004.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Kenichi Nakata. Retrieved from https://idiyas.com/inventor/kenichi-nakata-9e8smjd4

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

USPTO Granted Patents = 7

% Patents Active = 85.7

Average Co-Inventor Count = 4.9

ph-index = 3

Forward Citations = 23(Granted Patents)


Location History:

  • Otake, JP (2000 - 2001)
  • Cupertino, CA (US) (2004)
  • Ohtake, JP (2004)

Company Filing History:

goldMedal7 out of 390 
 
Toda Kogyo Corporation
 patents

Years Active: 2000-2004

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7 patents (USPTO):Explore Patents
1. 6821618 - Magnetic recording medium and process for producing the same (2004-11-23),
2. 6753077 - Magnetic recording medium and process for producing the same (2004-06-22),
3. 6268024 - Process for producing magnetic recording medium (2001-07-31),
4. 6221519 - Magnetic recording medium and process for producing the same (2001-04-24),
5. 6187462 - Magnetic recording medium and process for producing the same (2001-02-13),
6. 6165608 - Magnetic recording medium (2000-12-26),
7. 6159594 - Magnetic recording medium (2000-12-12),

Title: Kenichi Nakata: Innovator in Magnetic Recording Technology

Introduction

Kenichi Nakata is a prominent inventor based in Otake, Japan. He has made significant contributions to the field of magnetic recording technology, holding a total of 7 patents. His work focuses on developing advanced magnetic recording media that exhibit superior performance characteristics.

Latest Patents

Nakata's latest patents include innovative designs for magnetic recording media. One notable patent describes a magnetic recording medium that features a high coercive force and excellent squareness. This medium consists of a substrate, an underlayer, and a spinel-type iron oxide thin film with maghemite as the main component. The film has a thickness ranging from 5 to 50 nm and is composed of grains with an average size of 5 to 30 nm. The design ensures a coercive force of not less than 159 kA/m (2,000 Oe) and a coercive squareness ratio of at least 0.5:1 for longitudinal recording or a squareness ratio of not less than 0.75:1 for perpendicular recording. Another patent focuses on a magnetic recording medium that includes a substrate and a maghemite thin film with a surface roughness represented by a center line mean roughness Ra of 0.1 to 1.0 nm. This medium also demonstrates excellent magnetic properties, particularly in coercive force squareness and enhanced surface smoothness.

Career Highlights

Kenichi Nakata is currently associated with Toda Kogyo Corporation, where he continues to innovate in the field of magnetic materials. His work has been instrumental in advancing the technology used in magnetic recording devices, contributing to the efficiency and effectiveness of data storage solutions.

Collaborations

Nakata has collaborated with notable colleagues, including Kousaku Tamari and Takanori Doi. Their combined expertise has furthered the development of cutting-edge magnetic recording technologies.

Conclusion

Kenichi Nakata's contributions to magnetic recording technology have established him as a key figure in the field. His innovative patents and collaborations reflect his commitment to advancing technology and improving data storage 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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