Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12379580 | Lens having a fixed focal length and constant overall length for auto focus applications including five lens groups of ++--+, -++-+, -+++-, -++--, +-+--, +-++- or ++++- refractive powers | Sigrun Kammans, Stefan Roth | 2025-08-05 |
| 11209621 | Lens having a fixed focal length and constant overall length for auto focus applications | Sigrun Kammans, Stefan Roth | 2021-12-28 |
| 11199683 | Lens with a fixed focal length and a constant structural length for autofocus applications | Sigrun Kammans | 2021-12-14 |
| 11194122 | Lens with a fixed focal length and a constant structural length for autofocus applications | Sigrun Kammans | 2021-12-07 |