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For the Inventor, By the Inventor

Toronto, Canada

Visible Genetics Inc.

Calculating rank
USPTO Granted Patents = 60

% Expired Patents = 1.7

Forward Citations = 1,638

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33 inventors (with patents filed for the assignee):

goldMedal James M Dunn (26 out of 27 patents)

silverMedal John K Stevens (21 out of 29 patents)

bronzeMedal Alexandre M Izmailov (12 out of 27 patents)

4.  John A Renfrew (12 out of 12 patents)

5.  Paul Waterhouse (11 out of 14 patents)

6.  James Leushner (10 out of 10 patents)

7.  Jean-Michel Lacroix (8 out of 9 patents)

8.  May Hui (8 out of 8 patents)

9.  Marina T Larson (8 out of 8 patents)

10.  Rodney D Gilchrist (7 out of 7 patents)

11.  Henryk Zaleski (7 out of 8 patents)

12.  Thomas D Yager (5 out of 5 patents)

13.  Vrijmoed Chi (4 out of 4 patents)

14.  James W Cassidy (4 out of 4 patents)

15.  Bruno C Maruzzo (3 out of 5 patents)


Core Competencies:
DNA Sequencing
Electrophoresis
Mutation Detection
Nucleic Acids
HIV Mutations
Genotyping
BRCA1 Gene
p53 Screening
Automated Systems
Micro-Electrophoresis
Isothermal Sequencing
Fluorescence Detection

60 patents:

1. 6653107 - Method and kit for evaluation of HIV mutations (2003-11-25),
2. 6582577 - Electrophoresis gel cassette (2003-06-24),
3. 6554987 - Method and apparatus for alignment of signals for use in DNA base-calling (2003-04-29),
4. 6503704 - Method, reagent and kit for genotyping human papilloma virus (2003-01-07),
5. 6440664 - Apparatus for sequencing of nucleic acids using multiple dyes (2002-08-27),
6. 6436641 - Method and apparatus for DNA sequencing (2002-08-20),
7. 6432634 - Method, apparatus and kits for sequencing of nucleic acids using multiple dyes (2002-08-13),
8. 6413718 - Method for sequencing of nucleic acid polymers (2002-07-02),
9. 6404907 - Method for sequencing nucleic acids with reduced errors (2002-06-11),
10. 6403303 - Method and reagents for testing for mutations in the BRCA1 gene (2002-06-11),
11. 6397150 - Method and apparatus for sequencing of DNA using an internal calibrant (2002-05-28),
12. 6303303 - Method and system for DNA sequence determination and mutation detection (2001-10-16),
13. 6270963 - Method for testing for mutations in DNA from a patient sample (2001-08-07),
14. 6265152 - Method and kit for evaluation of HIV mutations (2001-07-24),
15. 6261430 - Micro-electrophoresis chip for moving and separating nucleic acids and other charged molecules (2001-07-17),
Company Overview
Visible Genetics Inc., based in Toronto, Canada, specializes in advanced DNA sequencing technologies. The company focuses on developing innovative solutions for mutation detection and genotyping, particularly in the context of critical health issues such as HIV mutations and hereditary cancers. Their expertise extends to the analysis of nucleic acids, including significant genes like BRCA1 and p53, contributing to personalized medicine and improved diagnostic capabilities in the field of genetics.
Profile summary synthesized from public USPTO records and patent filings.

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USPTO Data Jan 1 1976 - Oct 27 2026

60 Patents

#24 in Toronto

#231 in Canada

#12,098 in the World

Toronto, CA
Toronto, Canada

Visible Genetics Inc.

Forward Citations = 1,638

33 inventors:

goldMedal James M Dunn (26 out of 27 patents)

silverMedal John K Stevens (21 out of 29 patents)

bronzeMedal Alexandre M Izmailov (12 out of 27 patents)

4.  John A Renfrew (12 out of 12 patents)

5.  Paul Waterhouse (11 out of 14 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Visible Genetics Inc.. Retrieved from https://idiyas.com/company/visible-genetics

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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