Company Filing History:

8 out of 42,485

Hitachi, Ltd.

Hitachi Global Storage Technologies Japan, Ltd.

patents

where one patent can have more than one assignee

Years Active: 1991-2006

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10 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 7085103 - Magnetic head slider with side pads which each have a width W and a length L, wherein W>L (2006-08-01),

2. 6842309 - Magnetic head slider having optimized ratio of negative pressure bearing to a front or center step bearing (2005-01-11),

3. 6741427 - Magnetic disk drive having arm displacement limit mechanism for shock resistance (2004-05-25),

4. 6628480 - Magnetic head slider having optimized ratio of negative pressure recess to front step bearing (2003-09-30),

5. 6373666 - Magnetic disk drive having arm displacement limit mechanism for shock resistance (2002-04-16),

6. 5606472 - Disk unit (1997-02-25),

7. 5557486 - Thin external memory unit with hard disk (1996-09-17),

8. 5042844 - Hose fixture device (1991-08-27),

9. 5006780 - Charging circuit (1991-04-09),

10. 4994726 - Power supply apparatus for charging-type device (1991-02-19),

Title: Akira Iida: Innovator in Magnetic Head Slider Technology

Introduction

Akira Iida is a prominent inventor based in Odawara, Japan. He has made significant contributions to the field of magnetic head slider technology, holding a total of 10 patents. His innovative designs have advanced the performance and efficiency of magnetic disk drives.

Latest Patents

Among his latest patents is a magnetic head slider with side pads, which features a unique design where the width (W) is greater than the length (L). This magnetic head slider is engineered for sliding on a magnetic disk and includes a leading edge, a trailing edge, and an air bearing surface with a front step bearing of submicron depth. Additionally, it incorporates a negative pressure recess that is deeper than the front step bearing, along with a side step bearing of identical depth. Another notable patent focuses on optimizing the ratio of negative pressure bearing to a front or center step bearing, ensuring enhanced performance in magnetic disk applications.

Career Highlights

Throughout his career, Akira Iida has worked with notable companies such as Hitachi, Ltd. and Tagasangyo, Ltd. His experience in these organizations has allowed him to refine his skills and contribute to groundbreaking advancements in magnetic technology.

Collaborations

Akira has collaborated with several talented individuals in his field, including Masaaki Matsumoto and Shinsuke Higuchi. These partnerships have fostered innovation and have been instrumental in the development of his patented technologies.

Conclusion

Akira Iida's work in magnetic head slider technology exemplifies the spirit of innovation. His patents and collaborations have significantly impacted the industry, showcasing his expertise and dedication to advancing technology.

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