Inventor · disambiguated record
Christiaan A. Ligtenberg
Also filed as: LIGTENBERG CHRISTIAAN · LIGTENBERG CHRISTIAAN A
64 granted patents·18 pending applications·1,393 citations·filing 1994–2024
99Inventor score
Top patents by PatentIndex Score
82 records- 0199US11366523B2Device having integrated interface systemAPPLE INC·Filed 2020·Granted Jun 21, 2022·10 cites·20 claims
- 0299US9612674B2Movable track pad with added functionalityAPPLE INC·Filed 2015·Granted Apr 4, 2017·49 cites·23 claims
- 0398US11720176B2Device having integrated interface systemAPPLE INC·Filed 2022·Granted Aug 8, 2023·6 cites·20 claims
- 0498US11397449B2Electronic device with glass housing memberAPPLE INC·Filed 2021·Granted Jul 26, 2022·6 cites·20 claims
- 0598US10656714B2Device having integrated interface systemAPPLE INC·Filed 2018·Granted May 19, 2020·27 cites·20 claims
- 0698US5459932AAutomatic level and plumb toolLEVELITE TECHNOLOGY INC·Filed 1994·Granted Oct 24, 1995·148 cites·30 claims
- 0797US8947874B2Portable computing device with a housing secured by a magnetic element and related methodANDRE BARTLEY K·Filed 2012·Granted Feb 3, 2015·50 cites·21 claims
- 0897US6769767B2Eyewear with exchangeable temples housing a transceiver forming ad hoc networks with other devicesQR SPEX INC·Filed 2001·Granted Aug 3, 2004·267 cites·27 claims
- 0996US12147605B2Device having integrated interface systemAPPLE INC·Filed 2023·Granted Nov 19, 2024·2 cites·20 claims
- 1096US11099649B2Device having integrated interface systemAPPLE INC·Filed 2018·Granted Aug 24, 2021·15 cites·17 claims
- 1196US10871828B2Device having integrated interface systemAPPLE INC·Filed 2018·Granted Dec 22, 2020·17 cites·19 claims
- 1296US10409412B1Multi-input element for electronic deviceAPPLE INC·Filed 2016·Granted Sep 10, 2019·17 cites·19 claims
- 1396US10355402B2Axisymmetric magnetic articulating connectorAPPLE INC·Filed 2017·Granted Jul 16, 2019·15 cites·19 claims
- 1496US7331666B2Eyewear with a mounted radio frequency transceiverQ R SPEX INC·Filed 2005·Granted Feb 19, 2008·145 cites·9 claims
- 1595US11112827B2Electronic device with glass housing memberAPPLE INC·Filed 2019·Granted Sep 7, 2021·8 cites·20 claims
- 1695US5619802AAutomatic level and plumb toolLEVELITE TECHNOLOGY INC·Filed 1994·Granted Apr 15, 1997·89 cites·9 claims
- 1794US10031559B1Switchable magnetic arrayAPPLE INC·Filed 2016·Granted Jul 24, 2018·13 cites·19 claims
- 1894US9886090B2Haptic notifications utilizing haptic input devicesAPPLE INC·Filed 2014·Granted Feb 6, 2018·21 cites·24 claims
- 1993US10503313B2Unified input/output interface for electronic deviceAPPLE INC·Filed 2018·Granted Dec 10, 2019·9 cites·20 claims
- 2093US10409391B2Keyboard with adaptive input rowAPPLE INC·Filed 2016·Granted Sep 10, 2019·9 cites·21 claims
- 2193US9907201B2Optimized vent walls in electronic devicesAPPLE INC·Filed 2015·Granted Feb 27, 2018·7 cites·36 claims
- 2293US9575524B1Electronic devices with ventilation systemsAPPLE INC·Filed 2015·Granted Feb 21, 2017·12 cites·20 claims
- 2393US8964383B2Optimized vent walls in electronic devicesAPPLE INC·Filed 2012·Granted Feb 24, 2015·14 cites·21 claims
- 2492US10356942B2Optimized vent walls in electronic devicesAPPLE INC·Filed 2018·Granted Jul 16, 2019·5 cites·18 claims
- 2592US9277661B2Magnetic latchAPPLE INC·Filed 2014·Granted Mar 1, 2016·14 cites·17 claims
- 2692US9244292B2Eyewear with exchangeable temples housing a radio frequency transceiverSWAB GREGORY·Filed 2004·Granted Jan 26, 2016·51 cites·19 claims
- 2791US11822385B2Electronic device with glass housing memberAPPLE INC·Filed 2022·Granted Nov 21, 2023·1 cites·20 claims
- 2891US11073954B2Keyboard with adaptive input rowAPPLE INC·Filed 2016·Granted Jul 27, 2021·6 cites·20 claims
- 2991US10948953B2Optimized vent walls in electronic devicesAPPLE INC·Filed 2019·Granted Mar 16, 2021·5 cites·16 claims
- 3090US11448908B1Displays with adjustable angles of viewAPPLE INC·Filed 2019·Granted Sep 20, 2022·7 cites·18 claims
- 3190US10656719B2Dynamic input surface for electronic devicesAPPLE INC·Filed 2015·Granted May 19, 2020·5 cites·20 claims
- 3289US10254853B2Computing device with adaptive input rowAPPLE INC·Filed 2016·Granted Apr 9, 2019·5 cites·20 claims
- 3389US8897002B2Internal components of a portable computing deviceDEGNER BRETT W·Filed 2012·Granted Nov 25, 2014·11 cites·23 claims
- 3489US7092254B1Cooling system for electronic devices utilizing fluid flow and agitationAPPLE COMPUTER·Filed 2004·Granted Aug 15, 2006·67 cites·69 claims
- 3588US12481318B2Electronic device with glass housing memberAPPLE INC·Filed 2024·Granted Nov 25, 2025·0 cites·20 claims
- 3688US11416082B1Input devices with glyphs having a semitransparent mirror layerAPPLE INC·Filed 2018·Granted Aug 16, 2022·3 cites·19 claims
- 3788US9804639B2Hinged portable electronic device with display circuitry located in baseAPPLE INC·Filed 2013·Granted Oct 31, 2017·5 cites·19 claims
- 3888US8616748B1Portable computing deviceDEGNER BRETT W·Filed 2012·Granted Dec 31, 2013·10 cites·27 claims
- 3986US9853402B2Interconnect devices having a biplanar connectionAPPLE INC·Filed 2016·Granted Dec 26, 2017·8 cites·21 claims
- 4086US2025044874A1Device having integrated interface systemAPPLE INC·Filed 2024·Application pending·0 cites
- 4185US5541727AAutomatic level and plumb toolFiled 1995·Granted Jul 30, 1996·74 cites·3 claims
- 4283US12197246B2Electronic device with glass housing memberAPPLE INC·Filed 2023·Granted Jan 14, 2025·0 cites·20 claims
- 4383US9705115B2Battery structure and integrationAPPLE INC·Filed 2012·Granted Jul 11, 2017·2 cites·26 claims
- 4483US9480155B2Flexible cables in electronic devices with moving componentsAPPLE INC·Filed 2014·Granted Oct 25, 2016·5 cites·19 claims
- 4582US5524352AAutomatic level and plumb toolLEVELITE TECHNOLOGY INC·Filed 1995·Granted Jun 11, 1996·72 cites·37 claims
- 4681US10936107B2Unified input/output interface for electronic deviceAPPLE INC·Filed 2019·Granted Mar 2, 2021·2 cites·20 claims
- 4779US11822165B1Displays with adjustable angles of viewAPPLE INC·Filed 2020·Granted Nov 21, 2023·1 cites·17 claims
- 4878US10228720B2Internal components of a portable computing deviceDEGNER BRETT W·Filed 2012·Granted Mar 12, 2019·4 cites·20 claims
- 4978US8831261B2Speaker features of a portable computing deviceCASEBOLT MATTHEW P·Filed 2012·Granted Sep 9, 2014·5 cites·21 claims
- 5077US6005716ACo-linear and intersecting five light beam generatorLEVELITE TECHNOLOGY INC·Filed 1997·Granted Dec 21, 1999·49 cites·9 claims
Showing the top 50 of 82 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →