For the Inventor, By the Inventor

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Billerica, MA, United States of America

Unitrode Corporation

USPTO Granted Patents = 71

Forward Citations = 1,812

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49 inventors (with patents filed for the assignee):

Robert A Mammano (11 out of 13 patents)

Robert Allan Neidorff (10 out of 46 patents)

Mark G Jordan (10 out of 11 patents)

4. John A O'Connor (6 out of 10 patents)

5. Herman F Van Dyk Soerewyn (5 out of 5 patents)

6. Joseph Maurice Khayat (4 out of 34 patents)

7. Scott C Blackstone (4 out of 4 patents)

8. Richard Lee Valley (3 out of 22 patents)

9. Philip Leland Hower (3 out of 48 patents)

10. Burt Lee Price (3 out of 35 patents)

11. Larry J Wofford (3 out of 8 patents)

12. Varnum S Holland (3 out of 4 patents)

13. Jeffrey D Putsch (3 out of 3 patents)

14. John P Bazinet (3 out of 5 patents)

15. Winthrop H McClure (2 out of 3 patents)

Core Competencies:

Charge Pump Circuit

Battery Pack

Induction Motor

DC Motor Driver

Voltage Reference

Power Supply Controller

Switching Regulator

Transformer Isolated Drive

Current Sensor

SCR

Analog to Digital Converter

Digital to Analog Converter

71 patents: Sort by Forward Citations

1. 6344959 - Method for sensing the output voltage of a charge pump circuit without applying a load to the output stage (2002-02-05),

2. 6144245 - Adaptive leading edge blanking circuit to eliminate spike on power (2000-11-07),

3. 6115469 - Telephone line ring signal and DC power generator (2000-09-05),

4. 6114835 - Multi-cell battery pack charge balancing circuit (2000-09-05),

5. 5969498 - Induction motor controller (1999-10-19),

6. 5929577 - Brushless DC motor controller (1999-07-27),

7. 5886487 - DC motor driver having output FETS that conduct to rectify output (1999-03-23),

8. 5847942 - Controller for isolated boost converter with improved detection of RMS (1998-12-08),

9. 5767664 - Bandgap voltage reference based temperature compensation circuit (1998-06-16),

10. 5751139 - Multiplexing power converter (1998-05-12),

11. 5710697 - Power supply controller having frequency foldback and volt-second duty (1998-01-20),

12. 5691889 - Controller having feed-forward and synchronization features (1997-11-25),

13. 5663878 - Apparatus and method for generating a low frequency AC signal (1997-09-02),

14. 5652501 - Voltage sensor for detecting cell voltages (1997-07-29),

15. 5648780 - Digital to analog converter (1997-07-15),

Unitrode Corporation is a technology company specializing in power control solutions. With over 30 years of experience, Unitrode has become a global leader in the design and manufacturing of integrated circuits for power management and motor control applications. Their innovative solutions are widely used in industries such as automotive, consumer electronics, industrial automation, and telecommunications. Visit their website for more information on their products and services.

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

Company Badge

USPTO Data Jan 1 1976 - Sep 15 2026

Unitrode Corporation

71 Patents

#12 in Billerica, MA

#288 in Massachusetts

#5,156 in US

#10,478 in the World

Billerica, MA, United States of America

Unitrode Corporation

Forward Citations = 1,812

49 inventors:

Robert A Mammano (11 out of 13 patents)

Robert Allan Neidorff (10 out of 46 patents)

Mark G Jordan (10 out of 11 patents)

4. John A O'Connor (6 out of 10 patents)

5. Herman F Van Dyk Soerewyn (5 out of 5 patents)

Please report any incorrect information to [email protected]

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