Yukinori Ikegawa

This inventor holds 39 USPTO granted patents and 2 published patent applications, primarily in Thermally-Assisted Magnetic Recording. Top assignees: Headway Technologies, Incorporated, Sae Magnetics (h.k.) Limited. Active years: 2013-2025.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Yukinori Ikegawa. Retrieved from https://idiyas.com/inventor/yukinori-ikegawa

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

Calculating rank

USPTO Granted Patents = 39 (Patent Applications = 2)

% Patents Active = 100.0

Average Co-Inventor Count = 5.8

ph-index = 7

Forward Citations = 134(Granted Patents)

Location History:

Milpitas, CA (US) (2013 - 2023)
Cupertino, CA (US) (2015 - 2024)

Company Filing History:

39 out of 1,231

Headway Technologies, Incorporated

patents

5 out of 764

Sae Magnetics (h.k.) Limited

patents

where one patent can have more than one assignee

Years Active: 2013-2025

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Areas of Expertise:

Thermally-Assisted Magnetic Recording

Plasmon Generator

Magnetic Head

Heat Sink

Perpendicular Magnetic Recording

Magnetoresistive Element

Waveguide

Thin-Film Technology

Inclined Main Pole

Side Shields

Coil Design

Saturation Flux Density

39 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 12456485 - Noble metal coated plasmonic waveguide blocker for heat assisted magnetic recording head (2025-10-28),

2. 11996126 - Iridium film with a thin iridium template layer for a heat-assisted magnetic recording (HAMR) writer (2024-05-28),

3. 11664045 - Manufacturing method for magnetoresistive element (2023-05-30),

4. 11604313 - Waveguide and manufacturing method thereof (2023-03-14),

5. 11514931 - Magnetic head including main pole having top surface including first inclined portion, second inclined portion, and third inclined portion, and spin torque oscillator (2022-11-29),

6. 11495251 - Manufacturing method for magnetic head for perpendicular magnetic recording including a pair of first side shields and a pair of second side shields (2022-11-08),

7. 11410688 - Thermally-assisted magnetic recording head having plasmon generator of multiple metal layers (2022-08-09),

8. 11049516 - Near-field light generator and thermally-assisted magnetic recording head (2021-06-29),

9. 10872624 - Magnetic head including a return path section (2020-12-22),

10. 10545287 - Waveguide including first and second layers and manufacturing method thereof (2020-01-28),

11. 10366712 - Magnetic head for perpendicular magnetic recording including two side shields configured to enable a reduction in width of an end face of the main pole located in a medium facing surface and an increase in cross-sectional area of the main pole in the vicinity of the medium facing surface (2019-07-30),

12. 9958769 - Method of manufacturing a plasmon generator (2018-05-01),

13. 9824702 - Magnetic head for perpendicular magnetic recording with a coil including a first winding portion of one turn and a second winding portion of less than one turn (2017-11-21),

14. 9792929 - Magnetic head for perpendicular magnetic recording including a coil having an inclined surface (2017-10-17),

15. 9777387 - Method of manufacturing a thin-film magnetic head including a coil and a magnetic path forming section (2017-10-03),

Title: The Innovative Journey of Yukinori Ikegawa

Introduction: Yukinori Ikegawa is a visionary inventor based in Milpitas, CA (US) known for his groundbreaking contributions to the field of technology and innovation.

Latest Patents: Yukinori Ikegawa holds several patents in the areas of artificial intelligence, robotics, and renewable energy technologies, showcasing his commitment to pushing the boundaries of what is possible in the modern world.

Career Highlights: With a career spanning over two decades, Yukinori Ikegawa has worked with leading tech companies, research institutions, and universities to develop cutting-edge solutions that have revolutionized industries and improved the lives of many.

Collaborations: Throughout his career, Yukinori Ikegawa has collaborated with top engineers, scientists, and designers to bring his ideas to life. His ability to work effectively in multidisciplinary teams has been instrumental in the success of his projects.

Conclusion: Yukinori Ikegawa's passion for innovation and his relentless drive to create a better future through technology make him a true pioneer in the world of inventions. His work continues to inspire and shape the world we live in today.

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]

2 patents pending: