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For the Inventor, By the Inventor

Hamura, Japan

Mitsunobu Hanyu

This inventor holds 13 USPTO granted patents. Top assignee: Kabushiki Kaisha Toshiba. Active years: 2008-2016.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Mitsunobu Hanyu. Retrieved from https://idiyas.com/inventor/mitsunobu-hanyu

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

USPTO Granted Patents = 13

% Patents Active = 69.2

Average Co-Inventor Count = 1.1

ph-index = 4

Forward Citations = 41(Granted Patents)


Location History:

  • Oume, JP (2008)
  • Hamura, JP (2009 - 2012)
  • Yokohama, JP (2013 - 2016)

Company Filing History:

goldMedal13 out of 53,262 
 
Kabushiki Kaisha Toshiba
 patents

Years Active: 2008-2016

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13 patents (USPTO):Explore Patents
1. RE46121 - Magnetic head and head gimbal assembly maintaining stable flying height in a disk drive (2016-08-22),
2. 8611051 - Magnetic head, head gimbal assembly with the same, and disk drive (2013-12-17),
3. 8320082 - Head with guide groove in center rail and ribs extending along air intake groove and disk device with the same (2012-11-27),
4. 8264794 - Head and disk drive with same (2012-09-11),
5. 8194350 - Head, head suspension assembly, and disk drive provided with the same (2012-06-05),
6. 8179638 - Head with slider suppressing back flow, head suspension assembly, and disk device provided with the same (2012-05-15),
7. 8111482 - Head assembly, head suspension assembly, and disk device provided with head assembly (2012-02-07),
8. 7978435 - Magnetic head slider having multiple step portions (2011-07-12),
9. 7961432 - Head, head suspension assembly, and disk drive provided with the same (2011-06-14),
10. 7719794 - Head, head suspension assembly, and disk device provided with the same (2010-05-18),
11. 7505228 - Head slider having a leading pad inlet edge with inlet recesses, head suspension assembly, and disk device provided with the same (2009-03-17),
12. 7463452 - Flying head slider and magnetic disk apparatus, having a pair of side pads with each side pad having plural surfaces spaced at different depths (2008-12-09),
13. 7359155 - Slider, head assembly and disk apparatus (2008-04-15),

Title: Mitsunobu Hanyu: Innovator in Magnetic Head Technology

Introduction

Mitsunobu Hanyu is a prominent inventor based in Hamura, Japan. He has made significant contributions to the field of magnetic head technology, holding a total of 13 patents. His work has been instrumental in advancing the performance and reliability of disk drives.

Latest Patents

Hanyu's latest patents include innovative designs for magnetic heads and head gimbal assemblies. One notable patent describes a magnetic head and head gimbal assembly that maintains a stable flying height in a disk drive. This invention features a bearing surface of the head slider that includes a leading step at the inflow end portion, a skirt portion, and a leading pad with a junction extending to the skirt portion. The design incorporates first groove surfaces on opposite sides of the junction, second groove surfaces formed deeper than the first, and negative-pressure grooves on the transversely opposite sides of the first groove surfaces. Another patent elaborates on similar features, emphasizing the importance of these components in enhancing the performance of disk drives.

Career Highlights

Mitsunobu Hanyu is associated with Kabushiki Kaisha Toshiba, where he has been able to apply his innovative ideas in a collaborative environment. His work has not only contributed to the company's success but has also set new standards in the industry.

Collaborations

Hanyu has worked alongside talented colleagues such as Kan Takahashi and Kazuhiro Yoshida. Their collaborative efforts have led to the development of cutting-edge technologies in the field of magnetic heads.

Conclusion

Mitsunobu Hanyu's contributions to magnetic head technology have made a lasting impact on the industry. His innovative patents and collaborative spirit continue to drive advancements in disk drive technology.

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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