Enter inventor name

Katsutoshi Nii

This inventor holds 36 USPTO granted patents, primarily in Bearing Technology. Top assignees: Hitachi, Ltd., Hitachi Powdered Metals Co., Ltd., Minebea Company, Limited. Active years: 1979-2009.

USPTO Granted Patents = 36

% Patents Active = 72.2

Average Co-Inventor Count = 4.6

ph-index = 12

Forward Citations = 321(Granted Patents)

Location History:

Hitachi, JP (1979 - 2007)
Ibaragi-Ken, JP (2007)
Matsudo, JP (2009)

Company Filing History:

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 834,411

Other

patents

where one patent can have more than one assignee

Years Active: 1979-2009

Loading Chart...

Areas of Expertise:

Dynamic Bearing Unit

Sintered Bearing

Spindle Motor

Hydrodynamic Bearing

Magnetic Fluid Bearing

Disk Drive Unit

Oil Impregnated Bearing

Rotary Body Bearing

Mechanical Shaft Seal

Production Method

Fluid Dynamic Pressure

Submersible Thrust Bearing

36 patents (USPTO):Sort by Forward CitationsExplore Patents

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.

Profile summary based on public USPTO records.

Please report any incorrect information to [email protected]