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San Jose, CA, United States of America

Komag Corporation

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USPTO Granted Patents = 115

% Expired Patents = 21.7

Forward Citations = 6,493

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106 inventors (with patents filed for the assignee):

Tu Chen (30 out of 36 patents)

Tsutomu Tom Yamashita (26 out of 28 patents)

David Treves (16 out of 36 patents)

4. Shoji Suzuki (12 out of 29 patents)

5. Ronald Allen (12 out of 18 patents)

6. Rajiv Yadav Ranjan (11 out of 136 patents)

7. Thomas Anthony O'Dell (10 out of 22 patents)

8. Gerardo Bertero (9 out of 58 patents)

9. Caroline Anne Ross (7 out of 22 patents)

10. Bruce M Harper (7 out of 26 patents)

11. Andrew M Homola (7 out of 39 patents)

12. Christopher H Bajorek (7 out of 26 patents)

13. David E Wachenschwanz (6 out of 15 patents)

14. Peter S Bae (6 out of 6 patents)

15. Miaogen Lu (5 out of 11 patents)

Core Competencies:

Magnetic Recording Disk

Optical Inspection

Data Refreshing

Thin Film Alloy

Magnetic Media

Disk Alignment

Texturing

Burnishing Head

Processing Chuck

Calibration Disk

Laser Texturing

Substrate Preparation

115 patents: Sort by Forward Citations

1. 7329114 - Isothermal imprint embossing system (2008-02-12),

2. 7320584 - Die set having sealed compliant member (2008-01-22),

3. 7314404 - Burnishing head (2008-01-01),

4. 7305119 - Test head for optically inspecting workpieces (2007-12-04),

5. 7302148 - Test head for optically inspecting workpieces (2007-11-27),

6. 7301726 - Banded LZT CSS zone (2007-11-27),

7. 7292329 - Test head for optically inspecting workpieces comprising a lens for elongating a laser spot on the workpieces (2007-11-06),

8. 7281920 - Die set utilizing compliant gasket (2007-10-16),

9. 7239970 - Robotic system for optically inspecting workpieces (2007-07-03),

10. 7229266 - Press die alignment (2007-06-12),

11. 7199977 - Magnetic recording disk having a transition zone (2007-04-03),

12. 7196860 - Circuit and method for refreshing data recorded at a density sufficiently high to undergo thermal degradation (2007-03-27),

13. 7184139 - Test head for optically inspecting workpieces (2007-02-27),

14. 7179549 - Magnetic recording medium having novel underlayer structure (2007-02-20),

15. 7166374 - Magnetic recording medium (2007-01-23),

Company Overview

Komag Corporation, based in San Jose, California, specializes in the development and manufacturing of advanced magnetic recording media. The company focuses on innovative technologies such as magnetic recording disks, optical inspection methods, and data refreshing techniques. With expertise in thin film alloys, disk alignment, texturing, and burnishing head technologies, Komag plays a crucial role in enhancing data storage solutions. Its commitment to research and development positions it as a leader in the magnetic media industry.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 27 2026

115 Patents

#102 in San Jose, CA

#756 in California

#3,347 in US

#6,905 in the World

San Jose, CA, United States of America

Komag Corporation

Forward Citations = 6,493

106 inventors:

Tu Chen (30 out of 36 patents)

Tsutomu Tom Yamashita (26 out of 28 patents)

David Treves (16 out of 36 patents)

4. Shoji Suzuki (12 out of 29 patents)

5. Ronald Allen (12 out of 18 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Komag Corporation. Retrieved from https://idiyas.com/company/komag

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

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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