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For the Inventor, By the Inventor

Forchheim, Germany

Cetteen Gmbh


USPTO Granted Patents = 3


Forward Citations = 4

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6 inventors (with patents filed for the assignee):

goldMedal Houman Jafari (3 out of 8 patents)

silverMedal Bo Gao (2 out of 2 patents)

bronzeMedal Johannes Ringel (1 out of 1 patent)

4.  Immo Weber (1 out of 1 patent)

5.  Stefan Fritz (1 out of 1 patent)

6.  Jörg Rehrmann (1 out of 1 patent)


3 patents:

1. 11558950 - Control device for an x-ray tube and method for operating an x-ray tube (2023-01-17),
2. 11183357 - MBFEX tube (2021-11-23),
3. 10622180 - Method for producing an electron emitter coated with a nanorod-containing coating (2020-04-14),
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USPTO Data Jan 1 1976 - Oct 13 2026

3 Patents

#7 in Forchheim

#8,427 in Germany

Forchheim, DE
Forchheim, Germany

Cetteen Gmbh

Forward Citations = 4

6 inventors:

goldMedal Houman Jafari (3 out of 8 patents)

silverMedal Bo Gao (2 out of 2 patents)

bronzeMedal Johannes Ringel (1 out of 1 patent)

4.  Immo Weber (1 out of 1 patent)

5.  Stefan Fritz (1 out of 1 patent)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Cetteen Gmbh. Retrieved from https://idiyas.com/company/cetteen

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]
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