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For the Inventor, By the Inventor

Kanagawa, Japan

Gen Oikawa

This inventor holds 15 USPTO granted patents, primarily in Magnetic Recording Technology. Top assignees: Hitachi Global Storage Technologies Netherlands B.v., Hitachi Global Storage Technologies Japan, Ltd., Hitachi, Ltd.. Active years: 2004-2014.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Gen Oikawa. Retrieved from https://idiyas.com/inventor/gen-oikawa

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

Calculating rank
USPTO Granted Patents = 15

% Patents Active = 20.0

Average Co-Inventor Count = 5.2

ph-index = 3

Forward Citations = 33(Granted Patents)


Location History:

  • Odawara, JP (2004 - 2009)
  • Fujisawa, JP (2007 - 2009)
  • Kanagawa-ken, JP (2013)
  • Kanagawa, JP (2009 - 2014)

Company Filing History:

goldMedal7 out of 2,636 
 
Hitachi Global Storage Technologies Netherlands B.v.
 patents
silverMedal5 out of 227 
 
Hitachi Global Storage Technologies Japan, Ltd.
 patents
bronzeMedal2 out of 42,743 
 
Hitachi, Ltd.
 patents
4. 1 out of 987 
 
Hgst Netherlands, B.v.
 patents

Years Active: 2004-2014

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Areas of Expertise:
Perpendicular Magnetic Recording
Magnetic Slider
Thin Film Magnetic Head
Magnetic Storage Apparatus
Magnetic Shield
Manufacturing Method
Magnetic Film
CoNiFe Alloy
High Saturation Flux Density
Head Gimbal Assembly
Plating Method
15 patents (USPTO):Explore Patents
1. 8842388 - Perpendicular magnetic recording head and method for manufacturing the same (2014-09-23),
2. 8351156 - Perpendicular magnetic recording head having a main pole and first and second magnetic films peripheral to the main pole and having different depths from an air bearing surface (2013-01-08),
3. 8125734 - Magnetic slider, head gimbal assembly and method for manufacturing the same (2012-02-28),
4. 8064161 - Perpendicular magnetic recording head and method for manufacturing the same (2011-11-22),
5. 7995311 - Magnetic shield, manufacturing method thereof and thin film magnetic head employing the same (2011-08-09),
6. 7842408 - Magnetic film, manufacturing method thereof and thin film magnetic head (2010-11-30),
7. 7679860 - Thin film magnetic head with layer having high saturation magnetic flux density, and magnetic storage apparatus (2010-03-16),
8. 7589937 - Thin film magnetic head with high Fe alloy plating film and manufacturing method thereof (2009-09-15),
9. 7515380 - Magnetic head and method for production therefor (2009-04-07),
10. 7485378 - Magnetic thin film head (2009-02-03),
11. 7274541 - Magnetic thin film head, the fabrication method, and magnetic disk (2007-09-25),
12. 7267757 - Magnetic head utilizing a CoNiFe alloy with 60-80 weight percent Fe and method for production therefor (2007-09-11),
13. 7150819 - Structure and plating method of thin film magnetic head and magnetic storage apparatus (2006-12-19),
14. 6795272 - Thin film magnetic head and magnetic storage apparatus (2004-09-21),
15. 6723449 - Structure and plating method of thin film magnetic head and magnetic storage apparatus (2004-04-20),

Title: Innovator Spotlight: Gen Oikawa

Introduction

Gen Oikawa, a prominent inventor based in Kanagawa, Japan, is known for his significant contributions to the field of magnetic recording technology. With a remarkable portfolio of 15 patents, Oikawa continues to push the boundaries of innovation, particularly in the development of recording heads that enhance data storage capabilities.

Latest Patents

Oikawa's recent patents include groundbreaking advancements in perpendicular magnetic recording heads. One of his notable inventions focuses on a recording head that incorporates a coil with reduced resistance, achieved by etching a nonmagnetic insulating layer to create a recessed portion for an improved conductive layer. This innovation enhances the overall efficiency of the coil. Another patent details a perpendicular magnetic recording head consisting of a main pole and layered magnetic films with varying depths, designed to optimize functionality near the air bearing surface. These advancements illustrate Oikawa's commitment to enhancing technology in the data storage industry.

Career Highlights

Throughout his career, Oikawa has worked with esteemed companies such as Hitachi Global Storage Technologies in both the Netherlands and Japan. These experiences have allowed him to collaborate with leading experts in the field, contributing to the advancement of technology and the successful implementation of his innovative ideas.

Collaborations

Oikawa has had the privilege of working alongside talented professionals such as Kazue Kudo and Hiromi Shiina. These collaborations have played a significant role in the development of his patents, fostering an environment of creativity and innovation within the teams they formed.

Conclusion

Gen Oikawa stands out as a prolific inventor whose contributions to magnetic recording technology are noteworthy. His relentless pursuit of innovation, evidenced by his numerous patents and collaborative efforts in the industry, showcases his dedication to advancing technology. As the data storage landscape continues to evolve, Oikawa's work will undoubtedly influence future innovations in the field.

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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