For the Inventor, By the Inventor

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San Diego, CA, United States of America

Phase Metrics, Inc.

USPTO Granted Patents = 55

Forward Citations = 774

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50 inventors (with patents filed for the assignee):

Christopher A Lacey (10 out of 10 patents)

Kenneth H Womack (9 out of 11 patents)

Blasius Brezoczky (5 out of 11 patents)

4. Michael H Wahl (4 out of 27 patents)

5. Michael Inbar (4 out of 10 patents)

6. Peter C Jann (3 out of 11 patents)

7. Roger D Peters (3 out of 8 patents)

8. George A Burt, Jr (3 out of 3 patents)

9. John R Shelor (2 out of 4 patents)

10. Vladimir Pogrebinsky (2 out of 3 patents)

11. Alex Dadiomov (2 out of 4 patents)

12. Carlos A Duran (2 out of 4 patents)

13. Carlos A Durán (2 out of 2 patents)

14. Semyon Nodelman (2 out of 3 patents)

15. Jeffrey K Rhoton (2 out of 2 patents)

Core Competencies:

Flying Height Calibration

Optical Measurement

Magnetic Media Testing

Defect Detection

Interferometry

Robotic Arm

Pneumatic Loader

Non-Contact Testing

Piezoelectric Nanopositioner

Disk Drive Testing

Surface Inspection

Electrostatic Discharge

55 patents: Sort by Forward Citations

1. 6184993 - Apparatus for measuring a small gap using a Savart plate (2001-02-06),

2. 6184992 - Apparatus and method for measuring flying height and a real index of refraction (2001-02-06),

3. 6140661 - Loader with a matching finger that loads a head gimbal assembly onto a (2000-10-31),

4. 6088092 - Glass substrate inspection apparatus (2000-07-11),

5. 5986451 - Low z-height loader for a head gimbal assembly (1999-11-16),

6. 5957588 - Air bearing for a spindle (1999-09-28),

7. 5927934 - End effector for a robotic arm of a disk certifier (1999-07-27),

8. 5903085 - Piezoelectric nanopositioner (1999-05-11),

9. 5894374 - Method and apparatus for providing a clock assembly (1999-04-13),

10. 5893699 - End effector for a robotic arm of a disk certifier (1999-04-13),

11. 5883714 - Method and apparatus for detecting defects on a disk using (1999-03-16),

12. 5875029 - Apparatus and method for surface inspection by specular interferometric (1999-02-23),

13. 5872664 - Distortion of an isolated pulse (1999-02-16),

14. 5845401 - Crash tolerant air bearing spindle (1998-12-08),

15. 5841318 - Low noise preamplifier for a magneto-resistive head tester (1998-11-24),

Phase Metrics, Inc., based in San Diego, CA, specializes in advanced optical measurement technologies that enhance the performance and reliability of magnetic media. The company focuses on critical areas such as flying height calibration, defect detection, and non-contact testing, utilizing sophisticated techniques like interferometry. Their innovative solutions are designed to improve the accuracy of measurements in various applications, ensuring optimal functionality in the rapidly evolving landscape of data storage technologies.

Profile summary based on public USPTO records.

Company Badge

USPTO Data Jan 1 1976 - Sep 29 2026

55 Patents

#111 in San Diego, CA

#1,514 in California

#6,444 in US

#12,894 in the World

San Diego, CA, United States of America

Phase Metrics, Inc.

Forward Citations = 774

50 inventors:

Christopher A Lacey (10 out of 10 patents)

Kenneth H Womack (9 out of 11 patents)

Blasius Brezoczky (5 out of 11 patents)

4. Michael H Wahl (4 out of 27 patents)

5. Michael Inbar (4 out of 10 patents)

Please report any incorrect information to [email protected]

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