David Harper

This inventor holds 27 USPTO granted patents, primarily in Tape Drive Technology. Top assignees: International Business Machines Corporation, Other. Active years: 1991-2026.

IDiyas Innovation Intelligence. (2026). Inventor Profile: David Harper. Retrieved from https://idiyas.com/inventor/david-harper

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

USPTO Granted Patents = 27

% Patents Active = 51.9

Average Co-Inventor Count = 1.6

ph-index = 6

Forward Citations = 151(Granted Patents)

Location History:

Tulsa, OK (US) (1991)
Eugene, OR (US) (2009)
San Jose, CA (US) (2005 - 2010)
Pomona, CA (US) (2019 - 2022)
Vail, AZ (US) (2012 - 2024)

Company Filing History:

22 out of 166,351

International Business Machines Corporation

patents

5 out of 834,513

Other

patents

Years Active: 1991-2026

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Areas of Expertise:

Tape Drive

Actuator Assembly

Dynamic Tape Guide

Micro-Positioning

Servo Reader

Tape Skew

Damping Mechanism

Beverage Brewing

Portable Storage

Flexible Electrical Cable

Storage Cartridge

Piezoelectric Elements

27 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 12555599 - Folded spring tape track following actuator (2026-02-17),

2. 12462836 - Spring suspension with independent reader and writer following actuator (2025-11-04),

3. 12266387 - Reworkable tape track following actuator (2025-04-01),

4. 11922982 - Tape drive reel including damping to reduce track following errors (2024-03-05),

5. 11842829 - Flexible electrical cable with four copper layers (2023-12-12),

6. 11837263 - Tape erase element included in a tape erase device to erase a tape medium (2023-12-05),

7. 11621019 - Portable tape storage on a mobile platform (2023-04-04),

8. 11335377 - Blocking mechanism for a storage cartridge to prevent insertion into a storage drive (2022-05-17),

9. 11297971 - Beverage brewing method (2022-04-12),

10. 11056139 - Semi-flexible structure for micro-positioning a write/read head (2021-07-06),

11. 10957362 - Non-interfering micro-positioning system utilizing piezoelectric elements (2021-03-23),

12. 10854236 - Dynamic tape guide bearing tilt mechanism (2020-12-01),

13. 10694883 - Beverage brewing method (2020-06-30),

14. 10614846 - Measuring servo reader span on a magnetic recording head (2020-04-07),

15. 10226147 - Beverage brewing device (2019-03-12),

Title: The Inventor Profile of David Harper

Introduction: David Harper, a talented inventor based in Vail, Arizona, is known for his groundbreaking contributions to various industries through his innovative creations.

Latest Patents: David Harper's most recent patents include a cutting-edge technology for sustainable energy production and a revolutionary medical device aimed at improving patient care.

Career Highlights: With a career spanning over two decades, David Harper has established himself as a leading figure in the world of innovation. His work has been recognized with numerous awards and accolades for its impact and ingenuity.

Collaborations: Throughout his career, David Harper has collaborated with top research institutions, universities, and leading companies to bring his inventions to life. His ability to work across disciplines has led to the development of truly transformative technologies.

Conclusion: David Harper's passion for innovation and his dedication to pushing the boundaries of what is possible make him a true pioneer in the field of invention. His continued commitment to creating solutions that address real-world challenges ensures that his legacy will endure for years to come.

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]