Izumi, Japan

Yoshihisa Nakamura

This inventor holds 3 USPTO granted patents. Top assignees: Sony Corporation, Fujitsu Corporation, Other. Active years: 1980-2001.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Yoshihisa Nakamura. Retrieved from https://idiyas.com/inventor/yoshihisa-nakamura

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 = 2.4

ph-index = 3

Forward Citations = 95(Granted Patents)


Location History:

  • Izumi, JP (1980 - 1981)
  • Miyagi, JP (2001)

Company Filing History:

goldMedal3 out of 58,145 
 
Sony Corporation
 patents
silverMedal2 out of 39,374 
 
Fujitsu Corporation
 patents
bronzeMedal2 out of 834,513 
Other
 patents
where one patent can have more than one assignee

Years Active: 1980-2001

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3 patents (USPTO):Explore Patents

Title: Innovations of Yoshihisa Nakamura

Introduction

Yoshihisa Nakamura is a notable inventor based in Izumi, Japan. He has made significant contributions to the field of magnetic recording technology. With a total of 3 patents to his name, his work has had a lasting impact on the industry.

Latest Patents

One of his latest patents is for a thin film single magnetic head. This invention assures highly efficient magnetic energization of a main magnetic pole and exhibits optimum recording characteristics, even when recording on a double-layer perpendicular magnetic recording medium with high frequency. The design includes a main magnetic pole made of a soft magnetic thin film and a return yoke. Additionally, a thin-film coil for energizing the main magnetic pole is constructed from multiple conductor layers that extend parallel to one another and at right angles to the main magnetic pole. This innovative arrangement allows for efficient energization of the foremost part of the main magnetic pole.

Another significant patent is for a magnetic recording and reproducing device. This device utilizes a double-layered magnetic recording medium, featuring a first layer with anisotropy perpendicular to the medium plane and a second layer with a lower coercive force than the first. A single pole magnetic head is strategically arranged to magnetize the recording medium in a direction perpendicular to the recording medium plane.

Career Highlights

Yoshihisa Nakamura has worked with prominent companies, including Sony Corporation. His experience in these organizations has contributed to his expertise in magnetic recording technologies.

Collaborations

He has collaborated with notable coworkers such as Jin Sato and Toru Katakura, further enhancing his innovative work in the field.

Conclusion

Yoshihisa Nakamura's contributions to magnetic recording technology through his patents and collaborations highlight his importance as an inventor. His innovative designs continue to influence the industry and pave the way for future advancements.

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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