For the Inventor, By the Inventor

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Vancouver, Canada

Quadra Logic Technologies, Inc.

USPTO Granted Patents = 13

CIPO Patents = 1

Forward Citations = 528

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30 inventors (with patents filed for the assignee):

Julia G Levy (3 out of 46 patents)

Anna M Richter (3 out of 25 patents)

Patricia M Logan (2 out of 9 patents)

4. Janice North (2 out of 8 patents)

5. David W Hunt (2 out of 7 patents)

6. Daniel Liu (2 out of 2 patents)

7. Agnes How-Ching Chan (2 out of 6 patents)

8. Joan W Miller (1 out of 26 patents)

9. Tayyaba Hasan (1 out of 18 patents)

10. John T Foley (1 out of 54 patents)

11. Simon Leong (1 out of 3 patents)

12. Martin Renke (1 out of 2 patents)

13. Guillermo O Simkin (1 out of 6 patents)

14. James R Lawter (1 out of 16 patents)

15. Ludwig Wolf, Jr (1 out of 14 patents)

13 patents: Sort by Forward Citations

1. 5868695 - Systems and methods for eradicating contaminants using photoactive (1999-02-09),

2. 5807881 - Method for selectively reducing activated leukocyte cell population (1998-09-15),

3. 5798349 - Use of green porphyrins to treat neovasculature in the eye (1998-08-25),

4. 5789433 - Green porphyrins as immunomodulators (1998-08-04),

5. 5776966 - Selective cell inactivation in blood (1998-07-07),

6. 5736563 - Transcutaneous in vivo activation of photosensitive agents in blood (1998-04-07),

7. 5484803 - Transcutaneous in vivo activation of photosensitive agents in blood (1996-01-16),

8. 5422362 - Method to inhibit restenosis (1995-06-06),

9. 5360734 - Method for inactivating pathogens in erythrocytes using photoactive (1994-11-01),

10. 5238940 - Compositions for photodynamic therapy (1993-08-24),

11. 5059619 - Stable freeze-dried polyhematoporphyrin ether/ester (1991-10-22),

12. 5053423 - Compositions for photodynamic therapy (1991-10-01),

13. 4874691 - Membrane-supported immunoassays (1989-10-17),

Quadra Logic Technologies, Inc. is a leading provider of innovative IT solutions for businesses. With a focus on cutting-edge technology and unparalleled customer service, Quadra Logic helps organizations optimize their operations and achieve their goals. From software development to network security, Quadra Logic offers a comprehensive suite of services to meet the evolving needs of today's businesses.

This text is generated by artificial intelligence and may not be accurate.

Company Badge

USPTO Data Jan 1 1976 - Dec 23 2025

13 Patents

#65 in Vancouver

#1,108 in Canada

#43,644 in the World

Vancouver, Canada

Quadra Logic Technologies, Inc.

Forward Citations = 528

30 inventors:

Julia G Levy (3 out of 46 patents)

Anna M Richter (3 out of 25 patents)

Patricia M Logan (2 out of 9 patents)

4. Janice North (2 out of 8 patents)

5. David W Hunt (2 out of 7 patents)

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