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For the Inventor, By the Inventor

Chigasaki, Japan

Nobuyuki Kitazaki

This inventor holds 16 USPTO granted patents, primarily in Data Storage Technology. Top assignees: International Business Machines Corporation, Hitachi Global Storage Technologies Netherlands B.v., Hitachi Global Storage Technologies. Active years: 1997-2010.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Nobuyuki Kitazaki. Retrieved from https://idiyas.com/inventor/nobuyuki-kitazaki

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

Calculating rank
USPTO Granted Patents = 16

% Patents Active = 56.3

Average Co-Inventor Count = 3.8

ph-index = 6

Forward Citations = 141(Granted Patents)


Location History:

  • Fujisawa, JP (1997 - 2006)
  • Thigasaki, JP (2006)
  • Chigasaki, JP (2001 - 2007)
  • Kanagawa, JP (2001 - 2010)

Company Filing History:

goldMedal10 out of 166,425 
 
International Business Machines Corporation
 patents
silverMedal5 out of 2,636 
 
Hitachi Global Storage Technologies Netherlands B.v.
 patents
bronzeMedal1 out of 52 
 
Hitachi Global Storage Technologies
 patents

Years Active: 1997-2010

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Areas of Expertise:
Disk Drive
Data Storage Device
Servo Control
Magnetic Head
Feedback Filter
Recording Medium
Positioning Control
Actuator Controller
Noise Reduction
Manufacturing Method
Slider Design
16 patents (USPTO):Explore Patents
1. 7675700 - Disk drive device and method for production thereof (2010-03-09),
2. 7170705 - Recording device and controller and control method for a recording device (2007-01-30),
3. 7133237 - Servo information write method, data storage device, and programs (2006-11-07),
4. 7054090 - Data storage device, recording medium, servo writing method, and data reading/writing method (2006-05-30),
5. 6891692 - Disk drive apparatus, head position control method, and hard disk drive (2005-05-10),
6. 6879459 - Positioning control mechanism for a magnetic head in a magnetic storage device (2005-04-12),
7. 6532129 - Method and apparatus for sustaining feedback filter state having periodic output (2003-03-11),
8. 6515813 - Method for controlling servo information detection timing and rotational speed of disk, and disk drive (2003-02-04),
9. 6344943 - Increased and randomized output sampling to reduce positioning noise in a data storage system (2002-02-05),
10. 6236527 - Disk drive with actuator load/unload controller (2001-05-22),
11. 6181507 - Increased and randomized output sampling to reduce positioning noise in a data storage system (2001-01-30),
12. 6141173 - Head mechanism control apparatus, disk drive unit, and method of (2000-10-31),
13. 6104578 - Magnetic disk and magnetic disk apparatus having an annular start-stop (2000-08-15),
14. 5923491 - Disk drive servo control system with selectable filtering for reduction (1999-07-13),
15. 5771570 - Method of manufacturing a slider/suspension having an improved crown (1998-06-30),

Title: Nobuyuki Kitazaki: Innovator in Magnetic Disk Technology

Introduction

Nobuyuki Kitazaki is a prominent inventor based in Chigasaki, Japan. He has made significant contributions to the field of magnetic disk technology, holding a total of 16 patents. His work focuses on enhancing the efficiency and reliability of data storage devices.

Latest Patents

One of his latest patents is a "Disk drive device and method for production thereof." This invention provides a magnetic disk device that allows for the recording of correction data without compromising storage capacity. The device features a unique arrangement of tracks, enabling efficient data management. Another notable patent is for a "Recording device and controller and control method for a recording device." This invention addresses the issue of erroneous control signals caused by disruptive electromagnetic signals, ensuring reliable information writing in recording devices.

Career Highlights

Nobuyuki Kitazaki has worked with renowned companies such as IBM and Hitachi Global Storage Technologies. His experience in these organizations has allowed him to develop innovative solutions that have advanced the field of data storage technology.

Collaborations

Throughout his career, Kitazaki has collaborated with notable colleagues, including Isao Yoneda and Kenji Ogasawara. These partnerships have contributed to the development of groundbreaking technologies in the industry.

Conclusion

Nobuyuki Kitazaki's contributions to magnetic disk technology have significantly impacted data storage solutions. His innovative patents and collaborations with industry leaders highlight his role as a key figure in this field.

Profile summary based on public USPTO records.
Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]
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