Nozomu Hachisuka

This inventor holds 26 USPTO granted patents and 1 published patent application, primarily in Thin-Film Magnetic Heads. Top assignees: Tdk Corporation, Sae Magnetics (h.k.) Limited. Active years: 1998-2016.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Nozomu Hachisuka. Retrieved from https://idiyas.com/inventor/nozomu-hachisuka

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

USPTO Granted Patents = 26 (Patent Applications = 1)

% Patents Active = 46.2

Average Co-Inventor Count = 2.3

ph-index = 8

Forward Citations = 200(Granted Patents)

Location History:

Saku, JP (1998)
Nagano, JP (1999 - 2002)
Tokyo, JP (2001 - 2016)

Company Filing History:

Sae Magnetics (h.k.) Limited

patents

where one patent can have more than one assignee

Years Active: 1998-2016

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Areas of Expertise:

Magnetic Sensor

Thin-Film Magnetic Head

Tunnel Magnetoresistive Effect

Magnetic Tape Drive

Head Gimbal Assembly

Wafer Manufacturing

Magnetic Head Assembly

Lapping Monitor Device

Measurement Method

Composite Type Head

Dummy Shields

Grooves on Surface

26 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 9372243 - Magnetic sensor (2016-06-21),

2. 8154826 - Thin-film magnetic head with variable-volume cavity in medium-opposed surface (2012-04-10),

3. 8130473 - Multi-channel thin-film magnetic head and magnetic tape drive apparatus with the multi-channel thin-film magnetic head (2012-03-06),

4. 8085496 - Thin-film magnetic head with through holes reaching medium-opposed surface (2011-12-27),

5. 8081398 - Thin-film magnetic head having function of adjusting closure height (2011-12-20),

6. 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),

7. 8021712 - Wafer and manufacturing method of electronic component (2011-09-20),

8. 8009386 - Magnetic tape head with magnetic head layer formed on base substrate (2011-08-30),

9. 7911743 - Multichannel thin-film magnetic head with dummy shields (2011-03-22),

10. 7898765 - Thin-film magnetic head with grooves on medium-opposed surface and manufacturing method of the head (2011-03-01),

11. 7742260 - Magnetic head assembly, magnetic head drive apparatus and manufacturing method of magnetic head assembly (2010-06-22),

12. 7440237 - Thin film magnetic head, head gimbal assembly, and hard disk drive (2008-10-21),

13. 7436633 - Thin-film magnetic head, head gimbal assembly and hard disk system (2008-10-14),

14. 7417442 - Method and apparatus for testing tunnel magnetoresistive effect element, manufacturing method of tunnel magnetoresistive effect element and tunnel magnetoresistive effect element (2008-08-26),

15. 7372282 - Method and apparatus for testing tunnel magnetoresistive effect element, manufacturing method of tunnel magnetoresistive effect element and tunnel magnetoresistive effect element (2008-05-13),

Title: Innovations and Contributions of Nozomu Hachisuka

Introduction

Nozomu Hachisuka is a prominent inventor based in Tokyo, Japan, known for his significant contributions to the field of magnetics and sensor technology. With a remarkable track record of 26 patents, Hachisuka has been at the forefront of innovative developments that enhance the functionality and efficiency of magnetic devices.

Latest Patents

Hachisuka's latest inventions include a **magnetic sensor** and a **thin-film magnetic head with a variable-volume cavity**. The magnetic sensor features a unique design comprising a base portion, a sensor chip, and a dual-layer resin coating. This coating consists of a low elastic-modulus resin that provides excellent sealing around the sensor chip, coupled with a high elastic-modulus resin that ensures robust structural integrity. This innovative design allows the sensor chip, which utilizes a magneto-resistive effect device, to operate effectively even under varied conditions.

His thin-film magnetic head invention is particularly noteworthy. It incorporates a cavity that can dynamically adjust the pressure between the head and the magnetic recording medium. This adjustment allows for precise control of magnetic spacing, enhancing the performance and reliability of magnetic recordings through real-time adaptations to changing conditions.

Career Highlights

Hachisuka has built a distinguished career at notable organizations, including TDK Corporation and SAE Magnetics (H.K.) Limited. His work in these companies has paved the way for advancements in magnetic technology and sensor applications, making significant impacts within the industry.

Collaborations

During his career, Hachisuka has worked alongside talented individuals such as Kenji Inage and Hiroshi Kiyono. These collaborations have further enriched his innovative journey, enabling the exchange of ideas and development of groundbreaking technologies.

Conclusion

Nozomu Hachisuka's innovative contributions to the field of magnetics and sensors exemplify the essence of modern technological advancements. With a portfolio of 26 patents, his work continues to pave the way for future innovations in the industry, establishing him as a key figure among contemporary inventors in Japan and beyond.

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]

1 patent pending: