For the Inventor, By the Inventor

Enter assignee name

Irvine, CA, United States of America

Unisen, Inc.

Calculating rank

USPTO Granted Patents = 49

% Expired Patents = 26.5

Trademarks = 7

Forward Citations = 1,832

Loading Chart...

Loading Chart...

32 inventors (with patents filed for the assignee):

Kevin Patrick Corbalis (19 out of 35 patents)

Victor Torres Cornejo (15 out of 15 patents)

Felipe J Marin (10 out of 10 patents)

4. Mark William Chiles (9 out of 19 patents)

5. Gregory Allen Wallace (8 out of 18 patents)

6. John C Rufino (7 out of 7 patents)

7. Kirk A Buhler (7 out of 17 patents)

8. Javier J Reyes (6 out of 6 patents)

9. Yong Ming Goh (6 out of 6 patents)

10. John Cook (5 out of 10 patents)

11. Craig I Garza (4 out of 4 patents)

12. James S Sweeney, Jr (4 out of 11 patents)

13. Jirawat O Jeamvigite (4 out of 4 patents)

14. James Dey (3 out of 3 patents)

15. James W Pittaway (3 out of 4 patents)

Core Competencies:

Weight Measurement

Exercise Machine

Resistance Control

Heart Rate Monitoring

Elliptical Device

Spinning Bicycle

Recumbent Bicycle

Therapeutic Trainer

Cooling System

Power Control

Tracking System

Display Panel

49 patents: Sort by Forward Citations

1. 7837597 - Exercise machine including weight measurement system (2010-11-23),

2. 7736281 - Recumbent bicycle (2010-06-15),

3. 7670266 - Articulating linkage exercise machine (2010-03-02),

4. 7666122 - Elliptical exercise machine (2010-02-23),

5. 7648446 - System and method for electronically controlling resistance of an exercise machine (2010-01-19),

6. 7618345 - Exercise equipment with universal PDA cradle (2009-11-17),

7. 7585251 - Load variance system and method for exercise machine (2009-09-08),

8. 7544154 - Chain guard arrangement for spinning bikes (2009-06-09),

9. 7544152 - Linkage based exercise machine (2009-06-09),

10. 7481744 - Control circuit using toggled activation to reduce inrush currents (2009-01-27),

11. 7435205 - Exercise machine including weight measurement system (2008-10-14),

12. 7267637 - Exercise and therapeutic trainer (2007-09-11),

13. D542365 - Recumbent exercise bicycle (2007-05-08),

14. 7179202 - Maintenance facilitating exercise machine console (2007-02-20),

15. 7163491 - Epicyclic gear exercise device (2007-01-16),

Company Overview

Unisen, Inc., based in Irvine, California, specializes in the development and manufacturing of advanced exercise equipment. The company focuses on innovative technologies in exercise machines, including recumbent bicycles, elliptical devices, and treadmills. Unisen integrates sophisticated weight measurement systems and control circuits to enhance user experience and performance. Additionally, their products often feature heart rate monitoring and power-controlled mechanisms, positioning them at the forefront of fitness technology.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 27 2026

49 Patents

#74 in Irvine, CA

#1,686 in California

#7,154 in US

#14,301 in the World

Irvine, CA, United States of America

Unisen, Inc.

Forward Citations = 1,832

32 inventors:

Kevin Patrick Corbalis (19 out of 35 patents)

Victor Torres Cornejo (15 out of 15 patents)

Felipe J Marin (10 out of 10 patents)

4. Mark William Chiles (9 out of 19 patents)

5. Gregory Allen Wallace (8 out of 18 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Unisen, Inc.. Retrieved from https://idiyas.com/company/unisen

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]

Loading…