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Norton, MA, United States of America

Cardiofocus Corporation

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USPTO Granted Patents = 54

% Expired Patents = 18.5

EPO Patents = 7

Trademarks = 5

Forward Citations = 4,178

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36 inventors (with patents filed for the assignee):

Gerald Melsky (26 out of 32 patents)

Edward L Sinofsky (25 out of 73 patents)

Lincoln S Baxter (23 out of 25 patents)

4. Norman Erwin Farr (20 out of 30 patents)

5. Jeffrey M Arnold (11 out of 20 patents)

6. Brian K Estabrook (10 out of 26 patents)

7. William E Wieler (6 out of 6 patents)

8. Sergei Babko-Malyi (5 out of 6 patents)

9. Stephen W Sagon (4 out of 9 patents)

10. Richard Thompson (3 out of 3 patents)

11. Burke Barrett (3 out of 3 patents)

12. Ronald L Green (3 out of 16 patents)

13. Paul DiCesare (2 out of 2 patents)

14. Jon T McIntyre (2 out of 34 patents)

15. Susan Ostrowski (2 out of 2 patents)

Core Competencies:

Atrial Fibrillation

Guided Catheters

Thermal Balloons

Ablation Techniques

Energy Delivery

Visual Confirmation

Coaxial Catheters

Phototherapeutic Apparatus

Surgical Ablation

Irrigation Sheath

Infrared Laser

Contact Sensors

54 patents: Sort by Forward Citations

1. 12788487 - Ablation catheters with multiple endoscopes and imaging chip endoscopes and system for altering an orientation of an endoscopic image (2026-11-10),

2. 12336757 - Endoscopically guided ablation catheters with thermally resistant balloons (2025-06-24),

3. 11957856 - Balloon catheter and fluid management system thereof (2024-04-16),

4. 11883094 - Ablation system with automated ablation energy element (2024-01-30),

5. 11832878 - Ablation system with automated ablation energy element (2023-12-05),

6. 11484692 - Balloon catheter and fluid management system thereof (2022-11-01),

7. 11413089 - Ablation techniques for the treatment of atrial fibrillation (2022-08-16),

8. D958814 - Display screen or portion thereof with graphical user interface (2022-07-26),

9. 11389236 - Ablation system with automated ablation energy element (2022-07-19),

10. 11344365 - Ablation system with automated sweeping ablation energy element (2022-05-31),

11. 11246476 - Method for visualizing tissue with an ICG dye composition during ablation procedures (2022-02-15),

12. 11207505 - Balloon catheter and fluid management system thereof (2021-12-28),

13. D934268 - Display screen or portion thereof with graphical user interface (2021-10-26),

14. 10926067 - Balloon catheter and fluid management system thereof (2021-02-23),

15. 10806910 - Balloon catheter and fluid management system thereof (2020-10-20),

Company Overview

Cardiofocus Corporation, based in Norton, MA, specializes in advanced cardiac ablation technologies aimed at treating atrial fibrillation. The company focuses on developing innovative solutions such as guided catheters and thermal balloons that enhance ablation techniques. Their core technologies emphasize energy delivery and visual confirmation, utilizing coaxial catheters and phototherapeutic apparatus to improve procedural outcomes. Cardiofocus is dedicated to advancing the field of electrophysiology through its commitment to research and development.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Nov 10 2026

54 Patents

#1 in Norton, MA

#374 in Massachusetts

#6,579 in US

#13,162 in the World

Norton, MA, United States of America

Cardiofocus Corporation

Forward Citations = 4,178

36 inventors:

Gerald Melsky (26 out of 32 patents)

Edward L Sinofsky (25 out of 73 patents)

Lincoln S Baxter (23 out of 25 patents)

4. Norman Erwin Farr (20 out of 30 patents)

5. Jeffrey M Arnold (11 out of 20 patents)

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

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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