Company Filing History:

8 out of 2,636

Hitachi Global Storage Technologies Netherlands B.v.

patents

2 out of 987

Hgst Netherlands, B.v.

Years Active: 2005-2013

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11 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 8619388 - Fluid dynamic bearing with an immiscible fluid barrier (2013-12-31),

2. 8353630 - Fluid dynamic bearing with a labyrinth seal (2013-01-15),

3. 8320072 - Sealing an enclosure for a disk drive form factor (2012-11-27),

4. 8149544 - Hard disk drive with recessed actuator joint (2012-04-03),

5. 7998913 - Flow modifiers for improved magnetic recording device (2011-08-16),

6. 7820601 - System and method for improving lubrication in a fluid dynamic bearing (2010-10-26),

7. 7535673 - Fluid dynamic bearing comprising a lubricating fluid having tolutriazole (2009-05-19),

8. 7409756 - Method of locating and removing a fastener from a workpiece (2008-08-12),

9. 7126787 - System and method for hard disk drive with disk clamp annular rim inner wall engaging hub annular recess outer wall (2006-10-24),

10. 6961216 - Hard disk drive with disk clamp inner wall engaging bearing sleeve outer wall (2005-11-01),

11. 6854889 - Hydrodynamic pressure bearing, spindle motor in which it is utilized, and disk-drive device furnished with the spindle motor (2005-02-15),

Title: Kunihiro Shida: Innovator in Fluid Dynamic Bearings

Introduction

Kunihiro Shida is a prominent inventor based in San Jose, CA, known for his significant contributions to the field of fluid dynamic bearings. With a total of 11 patents to his name, Shida has developed innovative solutions that enhance the performance and reliability of various mechanical systems.

Latest Patents

Among his latest patents, Shida has introduced a fluid dynamic bearing with an immiscible fluid barrier. This invention features a seal gap that defines a seal cavity filled with bearing oil for lubrication. The immiscible fluid is strategically placed on the bearing oil to prevent evaporation, ensuring optimal performance. Another notable patent is the fluid dynamic bearing with a labyrinth seal, which establishes an air-gap associated with a portion of the bearing. This design includes a sleeve surrounding a shaft and a cap that forms a labyrinth seal, enhancing the efficiency of the bearing system.

Career Highlights

Shida has worked with notable companies such as Hitachi Global Storage Technologies and HGST Netherlands. His experience in these organizations has allowed him to refine his expertise in the development of advanced bearing technologies.

Collaborations

Throughout his career, Shida has collaborated with talented individuals, including Jr-Yi Shen and Stanley Yen Wong. These partnerships have contributed to the successful development of his innovative patents.

Conclusion

Kunihiro Shida's work in fluid dynamic bearings showcases his dedication to innovation and engineering excellence. His patents reflect a deep understanding of mechanical systems and a commitment to improving their functionality.

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