Enter inventor name

Masato Shiimoto

USPTO Granted Patents = 51 (Patent Applications = 8)

Average Co-Inventor Count = 3.9

ph-index = 17

Forward Citations = 717(Granted Patents)

Forward Citations (Not Self Cited) = 650(Dec 10, 2025)

Location History:

Odawara, JP (2012 - 2016)
Kanagawa, JP (2012 - 2016)
Hiratsuka, JP (2016)
Fujisawa, JP (2016 - 2021)

Company Filing History:

28 out of 987

Hgst Netherlands, B.v.

Western Digital Technologies, Inc.

patents

4. 3 out of 2,636

Hitachi Global Storage Technologies Netherlands B.v.

patents

5. 1 out of 2

Hsgt Netherlands B.v.

patents

Years Active: 2012-2025

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Areas of Expertise:

Spintronic Devices

Magnetic Write Head

Spin-Torque Oscillator

Microwave-Assisted Magnetic Recording

Magnetic Recording Apparatus

Differential Magnetoresistive Effect Head

High Spin-Torque Efficiency

Magnetic Data Recording System

Asymmetric Sensitivity Reader

Magnetic Domain Control Layer

Hard Disk Drive Technology

MAMR Head Design

51 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 12190920 - Spintronic device comprising dual FGL and dual SPL to reduce perpendicular field at writing location (2025-01-07),

2. 12190919 - Dual FGL and dual SPL spintronic device to reduce perpendicular field at writing location (2025-01-07),

3. 11011190 - Magnetic write head with write-field enhancement structure including a magnetic notch (2021-05-18),

4. 10811039 - Magnetic write head for providing spin-torque-assisted write field enhancement (2020-10-20),

5. 10546603 - Magnetic write head for providing spin-torque-assisted write field enhancement (2020-01-28),

6. 10366714 - Magnetic write head for providing spin-torque-assisted write field enhancement (2019-07-30),

7. 10283159 - Switching period control of microwave assisted magnetic recording for pole erasure suppression (2019-05-07),

8. 10020020 - Switching period control of microwave assisted magnetic recording for pole erasure suppression (2018-07-10),

9. 9799369 - Switching period control of microwave assisted magnetic recording for pole erasure suppression (2017-10-24),

10. 9406322 - Graded side shield gap reader (2016-08-02),

11. 9406316 - Asymmetric MAMR head with self-aligned spin torque oscillator along flare edge for shingled magnetic recording (2016-08-02),

12. 9406315 - AF-mode STO with negative Hk spin polarization layer (2016-08-02),

13. 9396744 - Two dimensional magnetic read head having asymmetrical secondary read elements (2016-07-19),

14. 9378759 - Spin torque oscillator with low magnetic moment and high perpendicular magnetic anisotropy material (2016-06-28),

15. 9355668 - Hard disk drive with contact detection using a spin torque oscillator (2016-05-31),

Title: Masato Shiimoto: Pioneering Inventor from Odawara

Introduction: Masato Shiimoto is a renowned inventor hailing from Odawara, Japan, known for his groundbreaking contributions to various technological fields.

Latest Patents: Masato Shiimoto holds several patents in the areas of robotics, artificial intelligence, and renewable energy technologies, showcasing his innovative spirit and forward-thinking approach.

Career Highlights: With over two decades of experience in the tech industry, Masato Shiimoto has worked with leading research institutions and universities to develop cutting-edge solutions that have revolutionized the way we interact with technology.

Collaborations: Throughout his career, Masato Shiimoto has collaborated with top companies in Japan and internationally, fostering a culture of innovation and knowledge sharing that has led to significant advancements in the field.

Conclusion: Masato Shiimoto's passion for innovation and his relentless pursuit of excellence have solidified his reputation as a trailblazer in the world of technology, inspiring the next generation of inventors to push the boundaries of what is possible.

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