Inventor · disambiguated record
Sigrun Kammans
Also filed as: KAMMANS SIGRUN
10 granted patents·1 pending application·14 citations·filing 2002–2021
83Inventor score
Technology areasG02B
Top patents by PatentIndex Score
11 records- 0180US10146063B2Focal length extender for telescopic imaging systemsLEICA CAMERA AG·Filed 2016·Granted Dec 4, 2018·4 cites·13 claims
- 0277US11209621B2Lens having a fixed focal length and constant overall length for auto focus applicationsLEICA CAMERA AG·Filed 2017·Granted Dec 28, 2021·2 cites·11 claims
- 0371US12379580B2Lens having a fixed focal length and constant overall length for auto focus applications including five lens groups of ++--+, -++-+, -+++-, -++--, +-+--, +-++- or ++++- refractive powersLEICA CAMERA AG·Filed 2021·Granted Aug 5, 2025·0 cites·9 claims
- 0470US11194122B2Lens with a fixed focal length and a constant structural length for autofocus applicationsLEICA CAMERA AG·Filed 2017·Granted Dec 7, 2021·1 cites·17 claims
- 0559US7684115B2Telescope with variable magnificationLEICA CAMERA AG·Filed 2009·Granted Mar 23, 2010·2 cites·11 claims
- 0656US11635598B2Telephoto lensLEICA CAMERA AG·Filed 2020·Granted Apr 25, 2023·0 cites·20 claims
- 0755US11199683B2Lens with a fixed focal length and a constant structural length for autofocus applicationsLEICA CAMERA AG·Filed 2017·Granted Dec 14, 2021·0 cites·16 claims
- 0853US7133200B2Method and device for focusing and diopter compensation of a telescopeLEICA CAMERA AG·Filed 2002·Granted Nov 7, 2006·5 cites·10 claims
- 0952US12092813B2Digital viewing deviceLEICA CAMERA AG·Filed 2020·Granted Sep 17, 2024·0 cites·9 claims
- 1036US2018314051A1Photo AdapterLEICA CAMERA AG·Filed 2016·Application pending·0 cites
- 1132US8786948B2Apparatus for illuminating a reticleKAMMANS SIGRUN·Filed 2011·Granted Jul 22, 2014·0 cites·2 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →