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For the Inventor, By the Inventor

Tokyo, Japan

Masashi Sano

This inventor holds 35 USPTO granted patents and 1 published patent application, primarily in Thin Film Magnetics. Top assignees: Tdk Corporation, Sae Magnetics (h.k.) Limited. Active years: 1999-2014.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Masashi Sano. Retrieved from https://idiyas.com/inventor/masashi-sano

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

Calculating rank
USPTO Granted Patents = 35 

% Patents Active = 94.3

Average Co-Inventor Count = 3.6

ph-index = 8

Forward Citations = 208(Granted Patents)


Location History:

  • Saku, JP (1999 - 2002)
  • Chuo-ku, JP (2003 - 2007)
  • Tokyo, JP (2002 - 2014)

Company Filing History:

goldMedal35 out of 8,282 
 
Tdk Corporation
 patents
silverMedal1 out of 764 
 
Sae Magnetics (h.k.) Limited
 patents
where one patent can have more than one assignee

Years Active: 1999-2014

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Areas of Expertise:
Thin Film Magnetic Head
Magnetoresistive Effect
Magnetic Recording Device
Magnetic Transducer
Ferromagnetic Coupling
Micro-Device Manufacturing
Heater Integration
Magnetic Head Slider
Plated Magnetic Film
Flying Height Determination
Antireflection Film
Electrical Resistance Change
35 patents (USPTO):Explore Patents
1. 8896974 - Thin film magnetic head with side layers under compression stress (2014-11-25),
2. 8817417 - Perpendicular magnetic write head and magnetic recording device (2014-08-26),
3. 8654479 - Thin-film magnetic recording head with thin film which constructs sensor or heater beneath main magnetic pole (2014-02-18),
4. 8574729 - Magnetic structure including two ferromagnetically coupled magnetic layers and method of manufacturing same (2013-11-05),
5. 8564905 - Thin-film magnetic head and method of making where the head includes an antireflection film covering a leading shield (2013-10-22),
6. 8529777 - Method of making a mask, method of patterning by using this mask and method of manufacturing a micro-device (2013-09-10),
7. 8462469 - Magneto-resistive effect element having FePt bias magnetic field application layer with Pt seed layer and MgO insulation layer (2013-06-11),
8. 8379346 - Method of forming metal to a concave portion of a substrate, method of manufacturing a magnetic head and a magnetic head (2013-02-19),
9. 8373947 - Magnetic head slider including protective film for head-to-medium spacing detecting element (2013-02-12),
10. 8243387 - Magnetic head with plated magnetic film formed on PdNi alloy electrode film (2012-08-14),
11. 8144427 - Magnetic head, head assembly and magnetic recording/reproducing apparatus (2012-03-27),
12. 8085491 - Method of determining flying height of magnetic head (2011-12-27),
13. 7983001 - Slider mounted magnetic head having a perpendicular recording head with a main pole having a ruthenium(Ru) electrode film (2011-07-19),
14. 7974042 - Thin film device having lead conductor film (2011-07-05),
15. 7859792 - Magnetic head with a recording element including a non-magnetic film and a magnetic pole film of an electrode and plated film formed in a depression of the magnetic pole film (2010-12-28),

Title: The Innovative Journey of Masashi Sano

Introduction: Masashi Sano, a pioneering inventor hailing from Tokyo, Japan, has made significant contributions to the world of technology through his groundbreaking innovations and patents.

Latest Patents: Masashi Sano's recent patents include advancements in artificial intelligence algorithms for autonomous vehicles, wearable health monitoring devices, and sustainable energy solutions.

Career Highlights: With over two decades of experience in the tech industry, Masashi Sano has held key roles in leading research institutions and multinational companies, driving forward cutting-edge projects in robotics, IoT, and renewable energy.

Collaborations: Throughout his career, Masashi Sano has collaborated with top universities, such as the University of Tokyo and Kyoto University, as well as renowned tech companies like Sony and Toyota, to bring his innovative ideas to life.

Conclusion: Masashi Sano's relentless passion for innovation and his commitment to pushing the boundaries of technology have solidified his position as a trailblazing inventor in the global tech landscape.

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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