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For the Inventor, By the Inventor

Tokyo, Japan

Yasufumi Uno

This inventor holds 17 USPTO granted patents. Top assignee: Tdk Corporation. Active years: 1992-2012.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Yasufumi Uno. Retrieved from https://idiyas.com/inventor/yasufumi-uno

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

USPTO Granted Patents = 17

% Patents Active = 88.2

Average Co-Inventor Count = 3.6

ph-index = 7

Forward Citations = 158(Granted Patents)


Location History:

  • Minamisaku-gun, JP (1998)
  • Usudamachi, JP (2000)
  • Nagano, JP (1992 - 2003)
  • Yamanashi, JP (2003)
  • Tokyo, JP (2011 - 2012)

Company Filing History:

goldMedal17 out of 8,257 
 
Tdk Corporation
 patents

Years Active: 1992-2012

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17 patents (USPTO):Explore Patents
1. 8125743 - Thin-film magnetic head, magnetic head assembly, magnetic disk drive apparatus and method for manufacturing thin-film magnetic head (2012-02-28),
2. 8035919 - Multi-channel thin-film magnetic head, magnetic tape drive apparatus with the multi-channel thin-film magnetic head and manufacturing method of multi-channel thin-film magnetic head (2011-10-11),
3. 7978438 - Thin-film magnetic head with shield layer profile having obtuse or rounded corners, magnetic head assembly, magnetic disk drive apparatus and manufacturing method of thin-film magnetic head (2011-07-12),
4. 6604275 - Method of manufacturing thin-film magnetic head (2003-08-12),
5. 6586049 - Patterning method using mask and manufacturing method for composite type thin film magnetic head using the patterning method (2003-07-01),
6. 6381093 - Thin film magnetic head with magnetic films with increasing widths from a surface facing a recording medium (2002-04-30),
7. 6188543 - Thin film magnetic head (2001-02-13),
8. 6178065 - Thin film magnetic head and manufacturing method of the head (2001-01-23),
9. 6169642 - Thin-film magnetic head having a three-layer pole tip structure (2001-01-02),
10. 6151193 - Thin film magnetic head (2000-11-21),
11. 6023397 - Magnetic head, and its fabrication method (2000-02-08),
12. 5997698 - Process for fabricating soft magnetic thin films (1999-12-07),
13. 5852533 - Magnetoresistance effect transducer element with continuous central (1998-12-22),
14. 5774309 - Magnetic transducer and thin film magnetic head (1998-06-30),
15. 5772794 - Manufacturing method of magnetic head apparatus with spin valve effect (1998-06-30),

Title: Yasufumi Uno: Innovator in Magnetic Head Technology

Introduction

Yasufumi Uno is a prominent inventor based in Tokyo, Japan. He has made significant contributions to the field of magnetic head technology, holding a total of 17 patents. His work has been instrumental in advancing the capabilities of magnetic disk drives and related technologies.

Latest Patents

Uno's latest patents include innovative designs such as a thin-film magnetic head, a magnetic head assembly, and a magnetic disk drive apparatus. One of his notable inventions is a thin-film magnetic head that features a magnetoresistive effect read head element. This element consists of a lower shield layer, an upper shield layer, and a magnetoresistive effect layer positioned between them. Additionally, it incorporates a lower antiferromagnetic layer that contacts the lower shield layer only at its edge area. Another significant patent is for a multi-channel thin-film magnetic head, which includes a substrate and multiple thin-film magnetic head elements. This design also features a closure fixed onto the elements and a protection film with micro-grooves on its surface.

Career Highlights

Yasufumi Uno has built a successful career at TDK Corporation, where he has been able to apply his expertise in magnetic technologies. His innovative approaches have led to advancements that enhance the performance and efficiency of magnetic storage devices.

Collaborations

Uno has collaborated with notable colleagues such as Tetsuya Mino and Koichi Terunuma. Their combined efforts have contributed to the development of cutting-edge technologies in the field.

Conclusion

Yasufumi Uno's contributions to magnetic head technology have established him as a key figure in the industry. His numerous patents reflect his commitment to innovation and excellence in engineering. His work continues to influence the future of magnetic 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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