IDiyas

For the Inventor, By the Inventor

Tsuchiura, Japan

Shinobu Yoshida

USPTO Granted Patents = 19

Average Co-Inventor Count = 6.1

ph-index = 10

Forward Citations = 197(Granted Patents)


Location History:

  • Ibaraki, JP (1988)
  • Ibaragi, JP (1989)
  • Tsuchiura, JP (1992 - 2004)

Company Filing History:

goldMedal19 out of 42,485 
 
Hitachi, Ltd.
 patents

Years Active: 1988-2004

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19 patents (USPTO):
1. 6771460 - Spindle motor and magnetic disc device using thereof having radial and thrust bearings (2004-08-03),
2. 6680814 - Spindle motor and magnetic disc device with hydrodynamic bearings (2004-01-20),
3. 6510122 - Disk drive device (2003-01-21),
4. 6469866 - Spindle motor and magnetic disc device with hydrodynamic bearing (2002-10-22),
5. 6462910 - Magnetic disk apparatus (2002-10-08),
6. 6459668 - Disk type reproducing apparatus and revolution control method (2002-10-01),
7. 6373659 - Magnetic slider head and method of producing the same (2002-04-16),
8. 6256288 - Disk apparatus and motor therefor (2001-07-03),
9. 6198715 - Disc device having disc in balance correcting arrangements (2001-03-06),
10. 6122148 - Magnetic head slider and method of production thereof (2000-09-19),
11. 6115213 - Bearing assembly having compact thickness, spindle motor and actuator (2000-09-05),
12. 6052255 - Magnetic disk unit having anti-impact arrangement (2000-04-18),
13. 6038104 - Rotating disk type information storage apparatus having a movable member (2000-03-14),
14. 5999369 - Magnetic disk apparatus (1999-12-07),
15. 5615068 - Head locating actuator having reduced susceptibility to dynamic reaction (1997-03-25),

Title: **Innovator Spotlight: Shinobu Yoshida**

Introduction

Shinobu Yoshida, located in Tsuchiura, Japan, is a distinguished inventor with a remarkable portfolio of 19 patents. His contributions primarily focus on advancements in spindle motors and magnetic disc devices, showcasing his expertise and innovation in the field of technology.

Latest Patents

Two of Yoshida's latest patents demonstrate his ingenuity and technical proficiency:

1. **Spindle motor and magnetic disc device using thereof having radial and thrust bearings** - This invention describes a spindle motor designed for magnetic disc devices. It features a hub that supports a magnetic disc and a rotary shaft, ensuring integrated rotation. The innovative design includes radial and thrust bearings, strategically engineered to support the rotary body in various directions.

2. **Spindle motor and magnetic disc device with hydrodynamic bearings** - In this patent, Yoshida introduces a spindle motor used in magnetic disc apparatus, encompassing a hub and rotary shaft within a bearing casing. The pivotal element here is the hydrodynamic pressure radial bearing and thrust bearing, which enhance the motor's performance and reliability.

Career Highlights

Shinobu Yoshida has built a commendable career at Hitachi, Ltd., where he has played a significant role in pioneering motor designs that effectively meet industry demands. His extensive work has propelled advancements in the technology sector, particularly in electronic device functionality.

Collaborations

Throughout his career, Yoshida has collaborated with esteemed colleagues, including Tsuyoshi Takahashi and Shozo Saegusa. Their teamwork has yielded innovative solutions and has contributed to the success of their projects within Hitachi, Ltd.

Conclusion

Shinobu Yoshida stands out as a notable inventor whose patents reflect a commitment to innovation and technology advancement. His contributions, particularly in spindle motors and magnetic disc devices, illustrate the importance of continued research and development in improving electronic systems. With a robust body of work and active collaborations, Yoshida continues to influence the technological landscape.

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