Company Filing History:

10 out of 987

Hgst Netherlands, B.v.

Hitachi Global Storage Technologies Netherlands B.v.

patents

4. 1 out of 5,310

Western Digital Technologies, Inc.

patents

Years Active: 1990-2018

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21 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 9940955 - Tunnel magnetoresistance magnetic sensor with scissor sensor and multi-seed layer configuration (2018-04-10),

2. 9349397 - Higher stability read head utilizing a partial milling process (2016-05-24),

3. 9343090 - Magnetoresistive sensor having an Ir seed layer for improved pinned layer robustness (2016-05-17),

4. 9341685 - Antiferromagnetic (AFM) grain growth controlled random telegraph noise (RTN) suppressed magnetic head (2016-05-17),

5. 9269383 - Multi-sensor (MIMO) head having a back side antiferromagnetic middle shield (2016-02-23),

6. 9245549 - Thermally stable low random telegraph noise sensor (2016-01-26),

7. 9099127 - Dual magnetic sensor for multi-input magnetic recording (2015-08-04),

8. 9099125 - Current-perpendicular-to-the-plane (CPP) magnetoresistive (MR) sensor structure with stacked sensors for minimization of the effect of head skew (2015-08-04),

9. 8902549 - Enhanced pinning property by inserted Si seed layer (2014-12-02),

10. 8760821 - Higher stability read head using a read sensor with a flat back edge (2014-06-24),

11. 8568602 - Method of manufacturing a magnetic read sensor having a low resistance cap structure (2013-10-29),

12. 7646569 - Pinned layer in magnetoresistive sensor (2010-01-12),

13. 7535683 - Magnetoresistive head with improved in-stack longitudinal biasing layers (2009-05-19),

14. 7474514 - Magnetoresistive head and manufacturing method thereof (2009-01-06),

15. 7370404 - Method for resetting pinned layer magnetization in a magnetoresistive sensor (2008-05-13),

Title: Kouichi Nishioka: A Pioneer in Magnetic Sensor Technology

Introduction

Kouichi Nishioka, based in Hiratsuka, Japan, has made significant contributions in the field of magnetic sensor technology. With a remarkable portfolio of 21 patents, Nishioka has been a driving force in innovations related to magnetoresistive read heads and sensors, impacting various industries.

Latest Patents

Among his latest patents, Nishioka developed a tunnel magnetoresistance magnetic sensor with a scissor sensor and multi-seed layer configuration. This innovative design includes a read head featuring a bottom magnetic shield, a sequence of non-magnetic and magnetic seed layers, as well as an antiferromagnetic layer and coupling layer, culminating in a robust structure aimed at enhancing performance and stability. Another notable patent is on a higher stability read head that employs a partial milling process. This method involves strategic formation and etching of magnetoresistive layers, improving the functionality and reliability of magnetic domain control films positioned around the free layer.

Career Highlights

Nishioka has carved out a distinguished career, having worked with leading technology companies such as HGST Netherlands B.V. and Hitachi, Ltd. His roles in these organizations have allowed him to leverage his expertise in magnetoresistive technologies, fostering advanced research and development initiatives.

Collaborations

Throughout his career, Nishioka has collaborated with notable colleagues, including Shinji Narishige and Takao Imagawa. These collaborations have not only propelled his research efforts but have also contributed to significant advancements in the field of magnetic sensors, blending their collective expertise to drive innovations.

Conclusion

Kouichi Nishioka's contributions to the domain of magnetic sensor technology are noteworthy. His impressive portfolio of patents and collaborations with prominent companies and colleagues highlight his pivotal role in shaping advancements in this field. As technology continues to evolve, Nishioka's work will likely continue to influence future innovations in magnetic sensing.

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