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For the Inventor, By the Inventor

Chigasaki, Japan

Takaaki Shirakura

USPTO Granted Patents = 13

Average Co-Inventor Count = 5.7

ph-index = 7

Forward Citations = 110(Granted Patents)


Company Filing History:

goldMedal13 out of 42,508 
 
Hitachi, Ltd.
 patents

Years Active: 1988-2006

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13 patents (USPTO):Explore Patents
1. 6989535 - Atomic force microscopy, method of measuring surface configuration using the same, and method of producing magnetic recording medium (2006-01-24),
2. 6627253 - Magnetic recording media for longitudinal recording, process for producing the same and magnetic memory apparatus (2003-09-30),
3. 6335103 - Magnetic recording media for longitudinal recording (2002-01-01),
4. 5985402 - Magnetic disk and its manufacturing method (1999-11-16),
5. 5825591 - Frictionally sliding head magnet disk apparatus (1998-10-20),
6. 5744256 - Magnetic recording medium and method of producing same (1998-04-28),
7. 5737159 - Magnetic disk and its manufacturing method (1998-04-07),
8. 5665478 - Magnetic recording media for longitudinal recording (1997-09-09),
9. 5158833 - Magnetic recording medium (1992-10-27),
10. 5143794 - Magnetic recording media for longitudinal recording, process for (1992-09-01),
11. 4939614 - Magnetic disk medium with circumferentially textured surfaces and varied (1990-07-03),
12. 4842917 - Magnetic recording medium and process for producing the same (1989-06-27),
13. 4786553 - Magnetic recording medium (1988-11-22),

Title: Takaaki Shirakura: Innovator in Atomic Force Microscopy and Magnetic Recording Media

Introduction

Takaaki Shirakura is a prominent inventor based in Chigasaki, Japan. He has made significant contributions to the fields of atomic force microscopy and magnetic recording media. With a total of 13 patents to his name, Shirakura's work has advanced the understanding and application of these technologies.

Latest Patents

Shirakura's latest patents include innovations in atomic force microscopy and methods for measuring surface configurations. His atomic force microscopy invention allows for precise measurement of surface configurations by utilizing phenomena observed between the surface and a probe at very fine distances. By selecting appropriate materials for the probe tip, he enables the measurement of soft bodies or soft fouling adhered to surfaces. Additionally, he has developed a magnetic recording medium for longitudinal recording that boasts low media noise, high signal-to-noise ratio, and excellent corrosion resistance. This medium is created using a Co-based alloy and has specific compositional requirements to achieve optimal performance.

Career Highlights

Takaaki Shirakura is associated with Hitachi, Ltd., a leading company in technology and innovation. His work at Hitachi has allowed him to push the boundaries of research and development in his field. His contributions have not only enhanced the company's portfolio but have also had a lasting impact on the industry.

Collaborations

Shirakura has collaborated with notable coworkers such as Hiroyuki Suzuki and Yoshihiro Shiroishi. These collaborations have fostered a creative environment that has led to groundbreaking advancements in their respective fields.

Conclusion

Takaaki Shirakura's innovative work in atomic force microscopy and magnetic recording media exemplifies the spirit of invention. His contributions continue to influence technology and research, making him a significant figure in the world of innovation.

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