Hellma Materials Gmbh & Co. Kg

Calculating rank

USPTO Granted Patents = 6

% Expired Patents = 16.7

EPO Patents = 4

Forward Citations = 4

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14 inventors (with patents filed for the assignee):

Lutz Parthier (4 out of 20 patents)

Ute Natura (2 out of 8 patents)

Joerg Staeblein (2 out of 5 patents)

4. Wolfgang Triebel (2 out of 5 patents)

5. Martin Letz (1 out of 25 patents)

6. Gunther Wehrhan (1 out of 9 patents)

7. Michael Selle (1 out of 1 patent)

8. Erik Foerster (1 out of 1 patent)

9. Christian Muehlig (1 out of 4 patents)

10. Gabriela Toepfer (1 out of 2 patents)

11. Regina Martin (1 out of 6 patents)

12. Alfons Burkert (1 out of 1 patent)

13. Joachim Bergmann (1 out of 1 patent)

14. Christian Kusch (1 out of 3 patents)

15. Jochen Alkemper (29 patents)

6 patents: Sort by Forward Citations

1. 7968074 - Method for making low-stress large-volume crystals with reduced stress birefringence and more uniform refractive index and crystals made thereby (2011-06-28),

2. 7883578 - [object Object] (2011-02-08),

3. 7873084 - Arrangement and method for preventing the depolarization of linear-polarized light during the transmission of light through crystals (2011-01-18),

4. 7837969 - [object Object] (2010-11-23),

5. 7825387 - Method for quantitative determination of the suitability of crystals for optical components exposed to high energy densities, crystals graded in this way and uses thereof (2010-11-02),

6. 7822093 - Method and apparatus for changing the length of a laser pulse (2010-10-26),

Company Overview

Hellma Materials is a leading global manufacturer of high-quality optical glass and quartz glass components for a wide range of industries including biomedical, semiconductor, and analytical chemistry. With over 100 years of experience, Hellma Materials is known for its precision engineering, innovation, and exceptional customer service.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 27 2026

6 Patents

#49 in Jena

#5,406 in Germany

Jena, Germany

Hellma Materials Gmbh & Co. Kg

Forward Citations = 4

14 inventors:

Lutz Parthier (4 out of 20 patents)

Ute Natura (2 out of 8 patents)

Joerg Staeblein (2 out of 5 patents)

4. Wolfgang Triebel (2 out of 5 patents)

5. Martin Letz (1 out of 25 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Hellma Materials Gmbh & Co. Kg. Retrieved from https://idiyas.com/company/hellma-materials-and-company-kg

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]

4 patents (EPO):

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]