For the Inventor, By the Inventor

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Gennany, Germany

Fokus Tec Gmbh

USPTO Granted Patents = 2

EPO Patents = 1

Forward Citations = 1

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4 inventors (with patents filed for the assignee):

Klaus Hoffmann (2 out of 46 patents)

Joachim Stumpe (2 out of 7 patents)

Thomas Fischer (2 out of 16 patents)

4. Michael Rutloh (2 out of 3 patents)

5. Klaus Hoffmann (0 patent)

2 patents: Sort by Forward Citations

1. 11644698 - Electrically controllable optical element, in particular thin-film cell having an optically active surface profile, and method for the production thereof (2023-05-09),

2. 11036112 - Electrically controllable optical element made of an optically isotropic liquid, in particular lens, and method for the production thereof on the basis of liquid composites (2021-06-15),

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USPTO Data Jan 1 1976 - Dec 30 2025

2 Patents

#618 in Gennany

#10,513 in Germany

Gennany, Germany

Fokus Tec Gmbh

Forward Citations = 1

4 inventors:

Klaus Hoffmann (2 out of 46 patents)

Joachim Stumpe (2 out of 7 patents)

Thomas Fischer (2 out of 16 patents)

4. Michael Rutloh (2 out of 3 patents)

5. Klaus Hoffmann (0 patent)

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