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For the Inventor, By the Inventor

Odawara, Japan

Masaki Ohura

USPTO Granted Patents = 29

Average Co-Inventor Count = 6.5

ph-index = 14

Forward Citations = 487(Granted Patents)


Company Filing History:

goldMedal29 out of 42,508 
 
Hitachi, Ltd.
 patents

Years Active: 1985-2003

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29 patents (USPTO):Explore Patents
1. 6627253 - Magnetic recording media for longitudinal recording, process for producing the same and magnetic memory apparatus (2003-09-30),
2. 6335103 - Magnetic recording media for longitudinal recording (2002-01-01),
3. 6303205 - Magnetic disk including protective layer having surface with protrusions, and substrate therefor (2001-10-16),
4. 6057021 - Magnetic recording media and magnetic recording system using the same (2000-05-02),
5. 5930073 - Magnetic disk including protective layer having surface with magnetic (1999-07-27),
6. 5750230 - Magnetic recording media and magnetic recording system using the same (1998-05-12),
7. 5665478 - Magnetic recording media for longitudinal recording (1997-09-09),
8. 5656349 - Magnetic disk, method of manufacturing the same and magnetic disk (1997-08-12),
9. 5504646 - Magnetic disk including protective layer having surface with protusions (1996-04-02),
10. 5500296 - Magnetic recording medium, process for producing magnetic recording (1996-03-19),
11. 5411630 - Magnetic disk manufacturing method (1995-05-02),
12. 5353182 - Magnetic disk unit having magnetic disks and a magnetic head with a head (1994-10-04),
13. 5285343 - Magnetic disk with surface protective layer having convex portions and (1994-02-08),
14. 5280401 - Magnetic recording medium, method for producing same and magnetic (1994-01-18),
15. 5272581 - Disk-type recording medium and storage apparatus (1993-12-21),

Title: Innovations by Masaki Ohura: A Pioneer in Magnetic Recording Technology

Introduction: Masaki Ohura is a renowned inventor based in Odawara, Japan, recognized for his significant contributions to the field of magnetic recording technology. With an impressive portfolio of 29 patents, Ohura has demonstrated a commitment to advancing the capabilities of magnetic recording media.

Latest Patents: His latest patents include innovations in magnetic recording media for longitudinal recording, focusing on processes for producing high-performance magnetic materials and memory apparatuses. One notable patent details a magnetic recording medium designed to ensure low media noise, a high signal-to-noise ratio, and superior corrosion resistance. This technology involves a magnetic layer made from a cobalt-based alloy mixed with specific percentages of various elements, including platinum and iridium, alongside other materials to enhance performance. This innovation further includes a process for producing the medium, ensuring a coercivity of 1,200 Oe or more, establishing new standards in data storage reliability.

Career Highlights: Ohura's career has been marked by his role at Hitachi, Ltd., where he has leveraged his expertise in magnetic technologies to create groundbreaking products. With a focus on advancing magnetic memory solutions, he has consistently pushed the boundaries of what's possible in data storage.

Collaborations: Throughout his career, Masaki Ohura has collaborated with esteemed colleagues such as Yoshihiro Shiroishi and Yoshiki Kato. These partnerships have not only enriched his work but also contributed to the collaborative spirit of innovation at Hitachi, Ltd., fostering an environment where cutting-edge technology thrives.

Conclusion: Masaki Ohura's relentless pursuit of innovation in magnetic recording technology highlights his impact on the industry. His extensive patent portfolio and collaborations exemplify a commitment to advancing technology for more efficient data storage solutions. As he continues to push the envelope in magnetic recording, Ohura stands as a leading figure in the realm of invention and innovation.

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