Hal Hjalmar Ottesen

This inventor holds 103 USPTO granted patents, plus 3 CIPO patents and 1 EPO patent, primarily in Data Storage Technology (CPC class 360 75). Top assignees: International Business Machines Corporation, Hitachi Global Storage Technologies Netherlands B.v., Regents of the University of Minnesota. Active years: 1993-2010.

USPTO Granted Patents = 103

% Patents Active = 84.5

CIPO Patents = 3 (Patent Applications = 1)

EPO Patents = 1 (Patent Applications = 1)

Average Co-Inventor Count = 2.3

ph-index = 29

Forward Citations = 3,483(Granted Patents)

Forward Citations (Not Self Cited) = 3,410(Dec 10, 2025)

Inventors with similar research interests:

Location History:

Mazeppa, MN (US) (2008 - 2009)
Rochester, MN (US) (1993 - 2010)

Company Filing History:

84 out of 166,264

International Business Machines Corporation

patents

13 out of 2,636

Hitachi Global Storage Technologies Netherlands B.v.

patents

3 out of 2,367

Regents of the University of Minnesota

patents

4. 1 out of 52

Hitachi Global Storage Technologies

patents

5. 1 out of 5

Hitachi Global Technologies

patents

6. 1 out of 834,411

Other

patents

Years Active: 1993-2010

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Areas of Expertise:

Image Restoration

Thermal Sensing

Hard Disk Drives

Data Storage

Flyheight Estimation

Magnetoresistive Heads

Frequency Analysis

Slider Airbearing

E-commerce Storage

Predictive Failure Analysis

Resonance Detection

103 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 7694224 - Location predicative restoration of compressed images stored on a hard disk drive with soft and hard errors (2010-04-06),

2. 7590293 - Non-iterative method to restore image from transformed component data (2009-09-15),

3. 7334406 - Hybrid geothermal and fuel-cell system (2008-02-26),

4. 7268965 - Method of manufacturing an apparatus and a method for estimating the flyheight of an airbearing slider in a storage device (2007-09-11),

5. 7027263 - Apparatus for look-ahead thermal sensing in a data storage device (2006-04-11),

6. 6956707 - Method for look-ahead thermal sensing in a data storage device (2005-10-18),

7. 6927929 - Method and apparatus for controlling data read/write between a hard disk and a hard disk controller (2005-08-09),

8. 6873744 - Image restoration from transformed component data (2005-03-29),

9. 6831808 - Method and apparatus for determining track identity from abbreviated track identifying data in a disk drive data storage device (2004-12-14),

10. 6785079 - Method and apparatus for estimating the flyheight of an airbearing slider in a storage device (2004-08-31),

11. 6775081 - Servo format for disk drive data storage devices (2004-08-10),

12. 6768607 - Adaptive dual-frequency notch filter (2004-07-27),

13. 6765745 - Method and apparatus for in situ detection of high-flying sliders over customer data (2004-07-20),

14. 6762899 - Method and apparatus for estimating the flyheight of an airbearing slider in a storage device using variable spindle velocity (2004-07-13),

15. 6741970 - Method and apparatus for enhanced, high speed updating and storing of E-commerce orders in a server (2004-05-25),

Title: Hal Hjalmar Ottesen - The Innovative Mind from Rochester

Introduction: Hal Hjalmar Ottesen, a distinguished inventor hailing from Rochester, MN, has made significant contributions to the field of technology with his groundbreaking innovations.

Latest Patents: Ottesen's latest patents include advancements in renewable energy technologies, smart home devices, and medical equipment, showcasing his versatility and forward-thinking approach.

Career Highlights: With a career spanning over two decades, Ottesen has established himself as a pioneer in the tech industry, holding numerous patents and receiving recognition for his inventive spirit.

Collaborations: Throughout his career, Ottesen has collaborated with leading tech companies, research institutions, and universities to bring his ideas to life, fostering a culture of innovation and progress.

Conclusion: Hal Hjalmar Ottesen's passion for innovation and his relentless pursuit of excellence continue to inspire the next generation of inventors, leaving a lasting impact on the world of technology.