Company Filing History:

28 out of 42,485

Hitachi, Ltd.

patents

8 out of 149

Hitachi Powdered Metals Co., Ltd.

patents

5 out of 1,160

Minebea Company, Limited

patents

4. 1 out of 195

The Kansai Electric Power Co., Inc.

patents

5. 2 out of 832,680

Other

patents

where one patent can have more than one assignee

Years Active: 1979-2009

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36 patents (USPTO):Sort by Forward Citations

Abstract keywords

1. 7559697 - Dynamic bearing unit (2009-07-14),

2. 7251891 - Production method for sintered bearing member, fluid dynamic pressure bearing device, and spindle motor (2007-08-07),

3. 7218023 - Spindle motor (2007-05-15),

4. 6951423 - Sintered bearing and production method therefor (2005-10-04),

5. 6851859 - Bearing unit, production method therefor and spindle motor (2005-02-08),

6. 6846109 - Sintered bearing and production method therefor (2005-01-25),

7. 6771460 - Spindle motor and magnetic disc device using thereof having radial and thrust bearings (2004-08-03),

8. 6756715 - Spindle motor (2004-06-29),

9. 6680814 - Spindle motor and magnetic disc device with hydrodynamic bearings (2004-01-20),

10. 6574186 - Assembly method of motor using magnetic lubrication fluid (2003-06-03),

11. 6477133 - Disk drive with unbalance correcting mechanism (2002-11-05),

12. 6469866 - Spindle motor and magnetic disc device with hydrodynamic bearing (2002-10-22),

13. 6369981 - Disk drive unit with hydrodynamic fluid bearing unit and disk device with said drive unit (2002-04-09),

14. 6369980 - Disk drive unit with hydrodynamic fluid bearing unit and disk device with said drive unit (2002-04-09),

15. 6356408 - Magnetic disk apparatus, including spindle motor having air flow passage in hub for pressure balance (2002-03-12),

Title: The Innovative Journey of Inventor Katsutoshi Nii

Introduction: Katsutoshi Nii is a renowned inventor hailing from Hitachi, Japan, known for his groundbreaking contributions to the field of technology and innovation.

Latest Patents: Katsutoshi Nii holds several patents in various technological domains, showcasing his continuous dedication to pushing the boundaries of innovation.

Career Highlights: With a career spanning over two decades, Katsutoshi Nii has worked on numerous projects that have revolutionized the way we perceive technology. His keen eye for detail and passion for innovation have led to the development of cutting-edge solutions.

Collaborations: Throughout his career, Katsutoshi Nii has collaborated with leading tech companies and research institutions, fostering a culture of innovation and knowledge sharing. His collaborative efforts have resulted in the creation of impactful technologies that have shaped the industry.

Conclusion: Katsutoshi Nii's relentless pursuit of innovation and his commitment to pushing the boundaries of technology make him a true pioneer in the field. His work continues to inspire future generations of inventors and innovators worldwide.

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Inventor’s Patent Attorneys refers to legal professionals with specialized expertise in representing inventors throughout the patent process. These attorneys assist inventors in navigating the complexities of patent law, including filing patent applications, conducting patent searches, and protecting intellectual property rights. They play a crucial role in helping inventors secure patents for their innovative creations.