Forward Citations = 100

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6 inventors (with patents filed for the assignee):

Shouhong Tang (4 out of 24 patents)

Klaus Reinhard Freischlad (4 out of 15 patents)

Joe M Glenn (1 out of 1 patent)

4. Clive M Pridmore (1 out of 1 patent)

5. Bryan G Castner (1 out of 4 patents)

6. Chris L Koliopoulos (1 out of 1 patent)

7 patents: Sort by Forward Citations

1. 6885461 - Weighted least-square interferometric measurement of multiple surfaces (2005-04-26),

2. 6856405 - Non linear phase shift calibration for interferometric measurement of multiple surfaces (2005-02-15),

3. 6847458 - Method and apparatus for measuring the shape and thickness variation of polished opaque plates (2005-01-25),

4. 6844929 - Apparatus and method for holding and transporting thin opaque plates (2005-01-18),

5. 6061133 - Interferometer light source (2000-05-09),

6. 5737081 - Extended-source low coherence interferometer for flatness testing (1998-04-07),

7. 5471307 - Sheet flatness measurement system and method (1995-11-28),

Company Overview

Phase Shift Technology, Inc. is a leading technology company specializing in developing innovative solutions for the healthcare industry. With a focus on data analytics and machine learning, we help healthcare providers improve patient outcomes and operational efficiency. Our cutting-edge technology is revolutionizing the way healthcare is delivered and managed.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 6 2026

7 Patents

#95 in Tucson, AZ

#516 in Arizona

#39,879 in US

Tucson, AZ, United States of America

Phase Shift Technology, Inc.

Forward Citations = 100

6 inventors:

Shouhong Tang (4 out of 24 patents)

Klaus Reinhard Freischlad (4 out of 15 patents)

Joe M Glenn (1 out of 1 patent)

4. Clive M Pridmore (1 out of 1 patent)

5. Bryan G Castner (1 out of 4 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Phase Shift Technology, Inc.. Retrieved from https://idiyas.com/company/phase-shift-technology

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]