Company Filing History:

18 out of 2,636

Hitachi Global Storage Technologies Netherlands B.v.

patents

10 out of 987

Hgst Netherlands, B.v.

Hitachi Global Storage Technologies Japan, Ltd.

patents

Years Active: 2001-2016

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38 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 9390733 - Microwave-assisted magnetic recording (MAMR) head with an inclined and recessed main pole structure (2016-07-12),

2. 9355655 - Magnetic capping layer structure for a spin torque oscillator (2016-05-31),

3. 9230573 - Magnetic recording head with non-magnetic bump structure formed on spin torque oscillator (2016-01-05),

4. 9142227 - Microwave assisted magnetic recording (MAMR) write head and system (2015-09-22),

5. 9076462 - Magnetic head having a short yoke with a tapered coil structure (2015-07-07),

6. 8941948 - Perpendicular recording head with leading bump in the main pole having narrow leading gap (LG) (2015-01-27),

7. 8837088 - Microwave-assisted magnetic recording (MAMR) head with a current confinement structure (2014-09-16),

8. 8830623 - Shield structure for reducing the magnetic induction rate of the trailing shield and systems thereof (2014-09-09),

9. 8351162 - Magnetic head with electro lapping guide (2013-01-08),

10. 8351154 - Perpendicular recording magnetic head with a varying interval between the main pole and the shield, and methods of manufacturing thereof (2013-01-08),

11. 8335051 - Perpendicular magnetic recording head having a magnetic layer overhanging a trailing side of a main pole and method of manufacture thereof (2012-12-18),

12. 8300358 - Magnetic head having write pole, first soft magnetic films separately disposed on both sides of the main pole, and a second soft magnetic film disposed on a trailing side of the main pole (2012-10-30),

13. 8270260 - Optically assisted magnetic recording head having a waveguide core with a plate-shaped portion protruding from an air bearing surface side of the core (2012-09-18),

14. 8254059 - Perpendicular magnetic recording head with domain controlled side shield (2012-08-28),

15. 8203803 - Magnetic recording head for perpendicular recording with wrap around shield, the fabrication process and magnetic disk storage apparatus mounting the magnetic head (2012-06-19),

Title: Kimitoshi Etoh: Innovator in Magnetic Recording Head Technology

Introduction:

Meet Kimitoshi Etoh, an exceptional inventor hailing from Kanagawa, Japan. With an impressive portfolio of 38 patents, Etoh has made significant contributions to the field of magnetic recording head technology. This article delves into Etoh's latest patents, career highlights, collaborations, providing a glimpse into his remarkable journey as an innovator.

Latest Patents:

Among Etoh's recent patents, two groundbreaking inventions stand out. The first is a Microwave-Assisted Magnetic Recording (MAMR) head with an inclined and recessed main pole structure. This magnetic head configuration incorporates a front portion angled at a specific incline, along with a rear portion angled at a declination angle. This design optimizes the emission of a recording magnetic field onto the magnetic medium, enabling enhanced performance in data storage applications.

Etoh's second noteworthy patent is for a Magnetic Capping Layer Structure for a Spin Torque Oscillator. This invention encompasses a magnetic recording head composed of a main pole, an oscillation device generating high-frequency magnetic fields, a magnetic capping layer, and a trailing shield. The magnetic capping layer exhibits a unique thickness distribution, with the front region being thinner than the rear region. This innovative design allows for efficient data recording on a magnetic medium.

Career Highlights:

Throughout his career, Kimitoshi Etoh has worked with esteemed companies in the industry, contributing his expertise to their technological advancements. Etoh has made significant contributions during his employment with Hitachi Global Storage Technologies Netherlands B.V. (now known as Western Digital Technologies Netherlands B.V.) and HGST Netherlands B.V., both recognized leaders in the storage solutions sector.

Collaborations:

Etoh has had the pleasure of collaborating with accomplished colleagues, including Isao Nunokawa and Masafumi Mochizuki. These collaborations have fostered an environment of knowledge sharing and innovation, enabling the development of cutting-edge magnetic recording head technologies.

Conclusion:

Kimitoshi Etoh's unwavering dedication to magnetic recording head technology and his remarkable inventiveness have brought him tremendous success. His patents in MAMR head design and spin torque oscillator structures exemplify his prowess as an innovator in the field. Collaborating with industry-leading companies and talented peers has further fueled his achievements. We eagerly anticipate further contributions from Etoh as he continues to push the boundaries of magnetic recording head technology.

If you want more information about Kimitoshi Etoh or any other innovators, inventions, or patents, feel free to explore our website at idiyas.com.

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Inventor’s Patent Attorneys refers to legal professionals with specialized expertise in representing inventors throughout the patent process. These attorneys assist inventors in navigating the complexities of patent law, including filing patent applications, conducting patent searches, and protecting intellectual property rights. They play a crucial role in helping inventors secure patents for their innovative creations.