Inventor · disambiguated record
Christiaan A. Hartman
Also filed as: HARTMAN CHRISTIAAN · HARTMAN CHRISTIAAN A
112 granted patents·6 pending applications·175 citations·filing 2002–2024
99Inventor score
Top patents by PatentIndex Score
118 records- 0191US10904829B2Device-availability-based wake-up time scheduleAPPLE INC·Filed 2018·Granted Jan 26, 2021·7 cites·20 claims
- 0290US9998535B2Method and apparatus for coordinating multiple peer-to-peer networksAPPLE INC·Filed 2015·Granted Jun 12, 2018·7 cites·20 claims
- 0390US9516615B2Selection of synchronization stations in a peer-to-peer network environmentAPPLE INC·Filed 2012·Granted Dec 6, 2016·9 cites·20 claims
- 0489US9949063B2Bluetooth low energy triggering NAN for further discovery and connectionAPPLE INC·Filed 2016·Granted Apr 17, 2018·6 cites·20 claims
- 0589US9473574B2Synchronization of devices in a peer-to-peer network environmentAPPLE INC·Filed 2012·Granted Oct 18, 2016·12 cites·18 claims
- 0687US10555119B2Ranging priority indicationAPPLE INC·Filed 2018·Granted Feb 4, 2020·4 cites·20 claims
- 0787US9572105B2WLAN system with opportunistic transitioning to a low power state for power managementAPPLE INC·Filed 2015·Granted Feb 14, 2017·4 cites·20 claims
- 0887US7545942B2Security key distribution using key rollover strategies for wireless networksAGERE SYSTEMS INC·Filed 2007·Granted Jun 9, 2009·24 cites·17 claims
- 0986US11671259B2Neighbor awareness networking password authenticationAPPLE INC·Filed 2022·Granted Jun 6, 2023·1 cites·20 claims
- 1086US10785718B2Software-enabled access point with power savingAPPLE INC·Filed 2017·Granted Sep 22, 2020·4 cites·20 claims
- 1186US10342013B2Neighbor awareness networking rangingAPPLE INC·Filed 2016·Granted Jul 2, 2019·4 cites·20 claims
- 1285US10285040B2Neighbor awareness networking—accelerated discoveryAPPLE INC·Filed 2017·Granted May 7, 2019·4 cites·20 claims
- 1385US10098168B2Neighbor awareness networking datapathAPPLE INC·Filed 2015·Granted Oct 9, 2018·4 cites·20 claims
- 1485US10021650B2WLAN system with opportunistic transitioning to a low power state for power managementAPPLE INC·Filed 2017·Granted Jul 10, 2018·3 cites·18 claims
- 1584US10575242B2Extended range networkingAPPLE INC·Filed 2017·Granted Feb 25, 2020·3 cites·20 claims
- 1683US12207352B2Receive operation mode indication for power saveAPPLE INC·Filed 2023·Granted Jan 21, 2025·0 cites·20 claims
- 1782US9955505B2Peer-to-peer communications on restricted channelsAPPLE INC·Filed 2013·Granted Apr 24, 2018·5 cites·19 claims
- 1880US11317405B2Neighbor awareness networking rangingAPPLE INC·Filed 2019·Granted Apr 26, 2022·2 cites·20 claims
- 1980US11304133B2Power savings for multi-link wireless local area network infrastructureAPPLE INC·Filed 2020·Granted Apr 12, 2022·1 cites·20 claims
- 2080US10172146B2Wi-Fi and bluetooth coexistenceAPPLE INC·Filed 2016·Granted Jan 1, 2019·3 cites·20 claims
- 2179US10911190B2Access-category-based multi-user trigger framesAPPLE INC·Filed 2019·Granted Feb 2, 2021·2 cites·20 claims
- 2279US10356819B2Spatial-reuse enhancement in RTS and CTSAPPLE INC·Filed 2016·Granted Jul 16, 2019·3 cites·16 claims
- 2379US10271293B2Group formation within a synchronized hierarchy of peer-to-peer devicesAPPLE INC·Filed 2013·Granted Apr 23, 2019·4 cites·21 claims
- 2479US10003642B2Operating a cluster of peer-to-peer devicesAPPLE INC·Filed 2014·Granted Jun 19, 2018·5 cites·30 claims
- 2578US11032768B2Wake-up-frame communication of application dataAPPLE INC·Filed 2018·Granted Jun 8, 2021·2 cites·20 claims
- 2677US10194468B2Wireless channel reservationAPPLE INC·Filed 2017·Granted Jan 29, 2019·2 cites·20 claims
- 2777US9100892B2Dynamic and adaptive channel scanningAPPLE INC·Filed 2013·Granted Aug 4, 2015·3 cites·20 claims
- 2876US10341065B2Access-category-based multi-user trigger framesAPPLE INC·Filed 2017·Granted Jul 2, 2019·2 cites·20 claims
- 2976US10306476B2Controlled spatial reuse in a WLANAPPLE INC·Filed 2017·Granted May 28, 2019·2 cites·20 claims
- 3076US10285200B2Channel access policy control during wireless communicationAPPLE INC·Filed 2017·Granted May 7, 2019·2 cites·20 claims
- 3176US2025016550A1Discovery frames and group addressed frames transmissionAPPLE INC·Filed 2024·Application pending·0 cites
- 3275US12127303B2Discovery frames and group addressed frames transmissionAPPLE INC·Filed 2023·Granted Oct 22, 2024·0 cites·20 claims
- 3375US10397767B2NAN further availability schedule indicationsAPPLE INC·Filed 2016·Granted Aug 27, 2019·2 cites·20 claims
- 3475US9906600B2Method and apparatus for initiating a high-power connection via a low-power interfaceAPPLE INC·Filed 2015·Granted Feb 27, 2018·2 cites·23 claims
- 3574US12069765B2Neighbor awareness networking datapath—reciprocation and coexistenceAPPLE INC·Filed 2019·Granted Aug 20, 2024·1 cites·20 claims
- 3674US11877348B2Receive operation mode indication for power saveAPPLE INC·Filed 2022·Granted Jan 16, 2024·0 cites·20 claims
- 3774US10433353B2Neighbor awareness networking service discovery proxyAPPLE INC·Filed 2016·Granted Oct 1, 2019·2 cites·20 claims
- 3874US9954642B2Spatial contention in dense wireless networkAPPLE INC·Filed 2016·Granted Apr 24, 2018·2 cites·20 claims
- 3972US11895589B2Power-efficient communication of group-addressed framesAPPLE INC·Filed 2022·Granted Feb 6, 2024·0 cites·20 claims
- 4072US10986571B2Implicit power management mode and state transitionsAPPLE INC·Filed 2018·Granted Apr 20, 2021·1 cites·19 claims
- 4172US10306640B2Basic bandwidth device on secondary channelAPPLE INC·Filed 2017·Granted May 28, 2019·1 cites·20 claims
- 4271US11917540B2Target wake time scheme for multicast communicationAPPLE INC·Filed 2019·Granted Feb 27, 2024·1 cites·19 claims
- 4371US9485778B2WiFi real-time streaming and bluetooth coexistenceAPPLE INC·Filed 2014·Granted Nov 1, 2016·2 cites·19 claims
- 4470US10681759B2Paging schemes for peer-to-peer communicationsAPPLE INC·Filed 2018·Granted Jun 9, 2020·1 cites·20 claims
- 4570US10568158B2Neighbor awareness networking datapathAPPLE INC·Filed 2018·Granted Feb 18, 2020·1 cites·20 claims
- 4670US10524286B2Power saving using integrated CF-End indicationAPPLE INC·Filed 2017·Granted Dec 31, 2019·1 cites·20 claims
- 4770US10484941B2Wake-up radio assisted WLAN power saving technologiesAPPLE INC·Filed 2017·Granted Nov 19, 2019·1 cites·17 claims
- 4869US12250627B2Power savings for multi-link wireless local area network infrastructureAPPLE INC·Filed 2022·Granted Mar 11, 2025·0 cites·20 claims
- 4969US11770676B2Ranging priority indicationAPPLE INC·Filed 2021·Granted Sep 26, 2023·0 cites·20 claims
- 5069US10129826B2Implicit power management mode and state transitionsAPPLE INC·Filed 2016·Granted Nov 13, 2018·1 cites·15 claims
Showing the top 50 of 118 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →