% Expired Patents = 14.3

Forward Citations = 71

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6 inventors (with patents filed for the assignee):

Felix Tobler (6 out of 9 patents)

Thomas Ribarich (2 out of 2 patents)

Stefan Tasch (1 out of 19 patents)

4. Michael Zimmerman (1 out of 1 patent)

5. Urs Rast (1 out of 1 patent)

6. Martin Huber (1 out of 1 patent)

7 patents: Sort by Forward Citations

1. 7708447 - Current supply for luminescent diodes (2010-05-04),

2. 6426597 - Circuit arrangement for operating gas discharge lamps (2002-07-30),

3. 5563477 - Method for operating a ballast for discharge lamps (1996-10-08),

4. 5550433 - Driver circuit for discharge lamps (1996-08-27),

5. 5504399 - Electrical circuit for operating a fluorescent lamp and for measuring (1996-04-02),

6. 5455486 - Method and circuitry for igniting fluorescent lamps at a predetermined (1995-10-03),

7. 5451845 - Device for protecting a ballast circuit from excess voltage (1995-09-19),

Company Overview

Knobel Ag Lichttechnische Komponenten is a leading provider of lighting components for various industries. With a wide range of products including LED modules, drivers, and control systems, the company is renowned for its high-quality and innovative solutions. Knobel Ag's products are used in commercial, industrial, and residential applications, offering energy-efficient and sustainable lighting solutions.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 20 2026

7 Patents

#2 in Ennenda

#1,340 in Switzerland

Ennenda, Switzerland

Knobel Ag Lichttechnische Komponenten

Forward Citations = 71

6 inventors:

Felix Tobler (6 out of 9 patents)

Thomas Ribarich (2 out of 2 patents)

Stefan Tasch (1 out of 19 patents)

4. Michael Zimmerman (1 out of 1 patent)

5. Urs Rast (1 out of 1 patent)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Knobel Ag Lichttechnische Komponenten. Retrieved from https://idiyas.com/company/knobel-ag-lichttechnische-komponenten

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]