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For the Inventor, By the Inventor

Jena, Germany

Hellma Materials Gmbh


USPTO Granted Patents = 3

% Expired Patents = 33.3


Trademarks = 4

Forward Citations = 0

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5 inventors (with patents filed for the assignee):

goldMedal Sibylle Petrak (2 out of 2 patents)

silverMedal Jochen Alkemper (1 out of 29 patents)

bronzeMedal Lutz Parthier (1 out of 20 patents)

4.  Johann-Christoph Von Saldern (1 out of 3 patents)

5.  Christoph Seitz (1 out of 2 patents)


3 patents:

1. 11294077 - Method and device for multi-dimensional direction measurement of gamma radiation in the far field (2022-04-05),
2. 11243312 - Imaging detector system for gamma radiation using unidirectional and bidirectional Compton scattering processes (2022-02-08),
3. 8673179 - Scintillation materials of low oxygen content and process for producing same (2014-03-18),
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USPTO Data Jan 1 1976 - Sep 22 2026

3 Patents

#80 in Jena

#8,412 in Germany

Jena, DE
Jena, Germany

Hellma Materials Gmbh

Forward Citations = 0

5 inventors:

goldMedal Sibylle Petrak (2 out of 2 patents)

silverMedal Jochen Alkemper (1 out of 29 patents)

bronzeMedal Lutz Parthier (1 out of 20 patents)

4.  Johann-Christoph Von Saldern (1 out of 3 patents)

5.  Christoph Seitz (1 out of 2 patents)

Please report any incorrect information to [email protected]
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