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Bergisch Gladbach, Germany

Ri Research Institute Gmbh

USPTO Granted Patents = 1

Forward Citations = 0

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5 inventors (with patents filed for the assignee):

Thomas Missalla (1 out of 4 patents)

Christoph Sebastian Phiesel (1 out of 1 patent)

Rainer Lebert (1 out of 1 patent)

4. Andreas Biermanns-Foeth (1 out of 1 patent)

5. Christian Piel (1 out of 1 patent)

1 patent: Sort by Forward Citations

1. 11615897 - Microscopic system for testing structures and defects on EUV lithography photomasks (2023-03-28),

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USPTO Data Jan 1 1976 - Dec 30 2025

1 Patents

#27 in Bergisch Gladbach

#15,109 in Germany

Bergisch Gladbach, Germany

Ri Research Institute Gmbh

Forward Citations = 0

5 inventors:

Thomas Missalla (1 out of 4 patents)

Christoph Sebastian Phiesel (1 out of 1 patent)

Rainer Lebert (1 out of 1 patent)

4. Andreas Biermanns-Foeth (1 out of 1 patent)

5. Christian Piel (1 out of 1 patent)

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