Company Filing History:

14 out of 164,108

International Business Machines Corporation

patents

7 out of 2,636

Hitachi Global Storage Technologies Netherlands B.v.

patents

Years Active: 1992-2009

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21 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 7613525 - Disk device for serial communication and method of controlling the same (2009-11-03),

2. 7457065 - Systems and methods for hard disk drive optimization and manufacturing (2008-11-25),

3. 7242551 - Method for inspecting track pitch in a magnetic disk (2007-07-10),

4. 7133237 - Servo information write method, data storage device, and programs (2006-11-07),

5. 7054090 - Data storage device, recording medium, servo writing method, and data reading/writing method (2006-05-30),

6. 7019933 - Servo information write method, servo control method, data storage device, and program (2006-03-28),

7. 6891692 - Disk drive apparatus, head position control method, and hard disk drive (2005-05-10),

8. 6515813 - Method for controlling servo information detection timing and rotational speed of disk, and disk drive (2003-02-04),

9. 6466387 - Data recording disk and disk drive device for reducing wasted space on a data recording disk (2002-10-15),

10. 6236527 - Disk drive with actuator load/unload controller (2001-05-22),

11. 6229663 - Disk drive loading/unloading apparatus and method for controlling the apparatus (2001-05-08),

12. 6108157 - Head mechanism control apparatus, disk drive, and head unload control (2000-08-22),

13. 6091566 - Magnetoresistive head and hard drive system having offsets from center (2000-07-18),

14. 5905603 - Magnetic recording medium magnetic head positioning method, and magnetic (1999-05-18),

15. 5815332 - Recording medium having improved servo compensation and method for same (1998-09-29),

Title: Innovation and Excellence: The Legacy of Kenji Ogasawara

Introduction

Kenji Ogasawara, based in Fujisawa, Japan, is a prominent inventor recognized for his contributions to the field of hard disk drive technology. With a remarkable portfolio of 21 patents, Ogasawara has made significant advancements that enhance the performance and efficiency of data storage devices. His work reflects a deep understanding of both engineering and innovation.

Latest Patents

Among Ogasawara's latest patents is a groundbreaking invention titled "Disk device for serial communication and method of controlling the same." This technology focuses on managing peak current during the initiation of spindle motor rotation, optimizing performance without extending the time required to reach steady rotation speeds. By employing a serial communication circuit and a method for controlled startup, he ensures the effective operation of hard disk drives (HDDs).

Another notable patent is "Systems and methods for hard disk drive optimization and manufacturing," which introduces a novel approach to data transfer between hard disk drives. This innovation enables a parent HDD to export data to a connected baby HDD, facilitating an autonomous optimization and inspection process. The inclusion of 'DNA' for reproduction within the hard disk drives enhances each unit's ability for self-optimization and inspection, leading to greater reliability and performance.

Career Highlights

Throughout his career, Ogasawara has worked with leading technology companies, including IBM and Hitachi Global Storage Technologies Netherlands B.V. His experience in these organizations has allowed him to refine his skills and contribute to cutting-edge innovations in data storage technologies.

Collaborations

Ogasawara has collaborated with esteemed colleagues, including Isao Yoneda and Hiroshi Uchiike. Together, they have pooled their expertise to drive advancements in hard disk drive technologies, resulting in patents that continue to shape the industry.

Conclusion

Kenji Ogasawara's inventive spirit and dedication to innovation have positioned him as a key figure in the realm of hard disk drive technology. His patents not only showcase his technical acumen but also contribute to the ongoing evolution of data storage solutions. As the technology landscape continues to advance, Ogasawara's legacy will undoubtedly inspire future generations of inventors and engineers.

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