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For the Inventor, By the Inventor

Barrington, IL, United States of America

Ole K Nilssen

This inventor holds 228 USPTO granted patents and 2 published patent applications, primarily in Electronic Ballast Technology (CPC class 315DIG7). Top assignees: Tenna Corporation, Other. Active years: 1976-2016.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Ole K Nilssen. Retrieved from https://idiyas.com/inventor/ole-k-nilssen

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

USPTO Granted Patents = 228 

% Patents Active = 99.6

Average Co-Inventor Count = 1.0

ph-index = 33

Forward Citations = 4,018(Granted Patents)

Forward Citations (Not Self Cited) = 3,780(Dec 10, 2025)


Inventors with similar research interests:

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Location History:

  • Chagrin Falls, OH (US) (1976 - 1979)
  • Barrington Hills, IL (US) (1987 - 1989)
  • Bonita Springs, FL (US) (1997 - 2000)
  • Barrington, IL (US) (1980 - 2016)

Company Filing History:

goldMedal2 out of 14 
 
Tenna Corporation
 patents
silverMedal226 out of 834,570 
Other
 patents

Years Active: 1976-2016

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Areas of Expertise:
Electronic Ballast
Fluorescent Lighting
Power Factor Correction
Overload Control
Inverter Circuit
Lighting System
Voltage Protection
Lamp Control
Auxiliary Power
Compact Lamp
Signal Distribution
Fire Safety
228 patents (USPTO):Explore Patents
1. 9416921 - Vapor lamp assembly technique (2016-08-16),
2. 6495969 - Series-resonant ballast having overload control (2002-12-17),
3. 6472827 - Parallel-resonant inverter-type fluorescent lamp ballast (2002-10-29),
4. 6459213 - Ballast for parallel-connected lamps (2002-10-01),
5. 6229718 - Parallel-resonant bridge inverter (2001-05-08),
6. 6211625 - Electronic ballast with over-voltage protection (2001-04-03),
7. 6211619 - Electronic ballast cathode heating circuit (2001-04-03),
8. 6198228 - Plug-in fluorescent lighting system (2001-03-06),
9. 6181085 - Electronic ballast with output control feature (2001-01-30),
10. 6172464 - Compact screw-in fluorescent lamp (2001-01-09),
11. 6167278 - Combination cordless-cellular telephone system (2000-12-26),
12. 6150768 - Ballast with active power factor correction (2000-11-21),
13. 6150737 - Auxiliary power distribution system (2000-11-21),
14. 6144445 - Electronic ballast products and systems (2000-11-07),
15. 6121733 - Controlled inverter-type fluorescent lamp ballast (2000-09-19),

Title: Meet Ole K Nilssen: 222 Patents and Counting

Introduction:

In the world of innovation and invention, certain names shine brighter than others. Ole K Nilssen, a talented inventor hailing from Barrington, IL, has made his mark with an impressive portfolio of 222 patents. From his latest groundbreaking designs to his noteworthy collaborations, Nilssen's contributions to the field have not gone unnoticed.

Latest Patents:

Nilssen's latest patents showcase his expertise in the realm of electronic ballasts. One such invention is the "Parallel-resonant bridge inverter," a circuit design that optimizes the performance and efficiency of electronic ballasts. Another notable invention is the "Electronic ballast cathode heating circuit," which incorporates a series-resonant LC circuit to power a screw-in fluorescent lamp. Additionally, Nilssen's innovation includes a provision for a resistive load to ensure proper functioning pre-ignition or in the event of a lamp failure.

Career Highlights:

Throughout his career, Nilssen has consistently demonstrated his ability to push the boundaries of technological advancements in electronic ballasts. His numerous patents exemplify his commitment to improving efficiency, performance, and safety in this field. As an inventor, Nilssen continues to make significant contributions that are transforming the industry.

Collaborations:

Collaboration often fuels innovation, and Nilssen is no stranger to working alongside other talented individuals. Notable coworkers include Dale E Fiene and Donald M Berlin. These collaborations served as strategic partnerships that propelled Nilssen's ideas forward, allowing him to reap the benefits of shared expertise and insights.

Conclusion:

Ole K Nilssen stands as a prominent figure in the world of electronic ballasts, with an extraordinary record of 222 patents to his name. His dedication to improving efficiency and performance continues to shape the industry, providing solutions that address real-world challenges. As the field advances, we can expect to see Nilssen's name attached to even more significant innovations, cementing his legacy as a foremost inventor in his domain.

For more information on Ole K Nilssen and other remarkable inventors, visit our website at idiyas.com.

Profile summary based on public USPTO records.
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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