Inventor · disambiguated record
Francois Klopfenstein
Also filed as: KLOPFENSTEIN FRANCOIS · KLOPFENSTEIN FRANÇOIS
20 granted patents·5 pending applications·188 citations·filing 2002–2023
93Inventor score
Files withETA SA MFT HORLOGERE SUISSE18BARRAS DAVID2BLANCKAERT NICOLAS1EM MICROELECTRONIC MARIN SA1KLOPFENSTEIN FRANCOIS1
Top patents by PatentIndex Score
25 records- 0195US8908477B2Method for authenticating an electronic watch and electronic watch for implementing the methodETA SA MFT HORLOGERE SUISSE·Filed 2012·Granted Dec 9, 2014·63 cites·14 claims
- 0292US9836027B2Winding device for self-winding automatic watchSWATCH GROUP RES & DEV LTD·Filed 2014·Granted Dec 5, 2017·8 cites·28 claims
- 0383US7223009B2Backlighting device for an information display element of a portable objectETA SA MFT HORLOGERE SUISSE·Filed 2005·Granted May 29, 2007·16 cites·20 claims
- 0482US8488418B2Timepiece with special aesthetic effectsBLANCKAERT NICOLAS·Filed 2010·Granted Jul 16, 2013·7 cites·20 claims
- 0582US8169858B2Timepiece fitted with a lighting device comprising an ultraviolet light-emitting diodeKLOPFENSTEIN FRANCOIS·Filed 2007·Granted May 1, 2012·14 cites·16 claims
- 0681US7372778B2Pulsometer worn on wrist and associated control methodETA SA MFT HORLOGERE SUISSE·Filed 2007·Granted May 13, 2008·36 cites·15 claims
- 0776US7223008B2Backlighting device for an information display element of a portable objectETA SA MFT HORLOGERE SUISSE·Filed 2004·Granted May 29, 2007·20 cites·17 claims
- 0874US2024111252A1Method for permutation of the time display mode of an electronic watch with an analogue display, and the associated watchETA SA MFT HORLOGERE SUISSE·Filed 2023·Application pending·0 cites
- 0973US10295962B2Method for testing the rate of a quartz watchETA SA MFT HORLOGERE SUISSE·Filed 2016·Granted May 21, 2019·2 cites·20 claims
- 1071US9897977B2Arrangement of electrodes for a digital displayETA SA MFT HORLOGERE SUISSE·Filed 2014·Granted Feb 20, 2018·2 cites·14 claims
- 1169US10274899B2Thermocompensated chronometer circuitETA SA MFT HORLOGERE SUISSE·Filed 2013·Granted Apr 30, 2019·2 cites·20 claims
- 1266US9664534B2Electromechanical apparatus comprising a capacitive device for detection of the angular position of a wheel set, and method for detection of the angular position of a wheel setETA SA MFT HORLOGERE SUISSE·Filed 2015·Granted May 30, 2017·1 cites·19 claims
- 1365US9864343B2Support element for a timepiece sensorETA SA MFT HORLOGERE SUISSE·Filed 2013·Granted Jan 9, 2018·1 cites·16 claims
- 1465US9429915B2Electronic quartz resonator module provided with shock resistant securing meansETA SA MFT HORLOGERE SUISSE·Filed 2013·Granted Aug 30, 2016·2 cites·8 claims
- 1564US11906938B2Method for permutation of the time display mode of an electronic watch with an analogue display, and the associated watchETA SA MFT HORLOGERE SUISSE·Filed 2019·Granted Feb 20, 2024·0 cites·13 claims
- 1656US6950685B2Electronic instrument intended to be worn on the wrist and including, in particular, an antenna for receiving and/or transmitting radio-frequency signalsETA SA MFT HORLOGERE SUISSE·Filed 2002·Granted Sep 27, 2005·14 cites·10 claims
- 1754US2024154572A1Photovoltaic cell set and cell module with an electronic circuit having a measurement areaETA SA MFT HORLOGERE SUISSE·Filed 2023·Application pending·0 cites
- 1850US2024204703A1Electromechanical watch capable of contactless communication with a communication deviceETA SA MFT HORLOGERE SUISSE·Filed 2023·Application pending·0 cites
- 1950US2004145975A1Portable electronic instrument, such as a wristwatch, including, in particular, an antenna for receiving and/or transmitting radio-frequency signalsBARRAS DAVID·Filed 2004·Application pending·0 cites
- 2049US10095192B2Portable touch electronic objectRADO MONTRES SA·Filed 2013·Granted Oct 9, 2018·0 cites·25 claims
- 2146US11874633B2Method for adjusting the operating frequency of an electronic watchETA SA MFT HORLOGERE SUISSE·Filed 2018·Granted Jan 16, 2024·0 cites·12 claims
- 2245US11537087B2Method for adjusting the mean frequency of a time base incorporated in an electronic watchETA SA MFT HORLOGERE SUISSE·Filed 2019·Granted Dec 27, 2022·0 cites·25 claims
- 2344US10141873B2Shock detector circuit and method for operation thereofETA SA MFT HORLOGERE SUISSE·Filed 2016·Granted Nov 27, 2018·0 cites·10 claims
- 2438US9671759B2Time base including an oscillator, a frequency divider circuit and clocking pulse inhibition circuitEM MICROELECTRONIC MARIN SA·Filed 2015·Granted Jun 6, 2017·0 cites·14 claims
- 2535US2007041275A1Wristwatch with antennaBARRAS DAVID·Filed 2002·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →