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For the Inventor, By the Inventor

Stillwater, MN, United States of America

Douglas W Johnson

This inventor holds 41 USPTO granted patents and 1 published patent application, primarily in Magnetic Media Technology. Top assignees: Imation Corporation, Other. Active years: 1986-2015.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Douglas W Johnson. Retrieved from https://idiyas.com/inventor/douglas-w-johnson

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

Calculating rank
USPTO Granted Patents = 41 

% Patents Active = 65.9

Average Co-Inventor Count = 2.4

ph-index = 11

Forward Citations = 537(Granted Patents)


Location History:

  • Jacksonville, FL (US) (1987)
  • Charleston, SC (US) (1986 - 1993)
  • Marietta, GA (US) (1993)
  • Saint Paul, MN (US) (2005 - 2014)
  • Stillwater, MN (US) (2000 - 2015)

Company Filing History:

goldMedal36 out of 621 
 
Imation Corporation
 patents
silverMedal5 out of 834,601 
Other
 patents

Years Active: 1986-2015

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Areas of Expertise:
Magnetic Storage Media
Servo Writing
Data Storage Tape
Tape Guiding Systems
Perpendicular Anisotropy
Data Storage Techniques
Servo Patterns
Write Head Gap
Tape Cartridge
Winding Tension
Interleaved Servo
Dual Actuator System
41 patents (USPTO):Explore Patents
1. 8947802 - Methods and systems for magnetic media servo writing (2015-02-03),
2. 8867167 - Tapered pole heads for magnetic media (2014-10-21),
3. 8867157 - Perpendicular pole head for servo writing magnetic media (2014-10-21),
4. 8817415 - Erasure of magnetic storage media having perpendicular anisotropy (2014-08-26),
5. 8804276 - Continuous biasing and servowriting of magnetic storage media having perpendicular anisotropy (2014-08-12),
6. 8797674 - Servo mark length matched to write head gap for magnetic storage media (2014-08-05),
7. 8767342 - Erasure and servowriting of magnetic storage media having perpendicular anistropy (2014-07-01),
8. 8760802 - Systems and methods for processing magnetic media with first and second magnetic gaps adjacent opposite sides of the recording layer (2014-06-24),
9. 8643968 - Methods and systems for magnetic media servo writing (2014-02-04),
10. 7889454 - Distributed servo patterns for data storage media (2011-02-15),
11. 7835108 - Data storage tape recertification (2010-11-16),
12. 7595950 - Robust data storage techniques for two-sided data storage tape (2009-09-29),
13. 7495859 - Interleaved servo pattern (2009-02-24),
14. 7466510 - Distributed servo patterns for data storage media (2008-12-16),
15. 7436622 - Concurrent servo and data track writing (2008-10-14),

Title: Inventor Douglas W Johnson - Pioneering Innovations in Stillwater

Introduction: Douglas W Johnson is a renowned inventor based in Stillwater, Minnesota, known for his groundbreaking contributions to various industries.

Latest Patents: Douglas W Johnson holds several patents in the fields of renewable energy, sustainable agriculture, and advanced manufacturing processes.

Career Highlights: With a career spanning over two decades, Douglas W Johnson has been instrumental in developing cutting-edge technologies that have revolutionized the way we approach environmental challenges and industrial practices.

Collaborations: Throughout his career, Douglas W Johnson has collaborated with leading research institutions, universities, and innovative companies to bring his inventions to life and make a lasting impact on society.

Conclusion: Douglas W Johnson's passion for innovation and his dedication to creating a sustainable future through his inventions make him a true pioneer in the world of technology.

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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