Inventor · disambiguated record
Alexander K. Sang
Also filed as: SANG ALEXANDER K
21 granted patents·3 pending applications·176 citations·filing 2011–2025
94Inventor score
Top patents by PatentIndex Score
24 records- 0198US10823627B2Shape sensing with multi-core fiber sensorINTUITIVE SURGICAL OPERATIONS·Filed 2017·Granted Nov 3, 2020·76 cites·20 claims
- 0296US11624870B2Redundant core in multicore optical fiber for safetyINTUITIVE SURGICAL OPERATIONS·Filed 2021·Granted Apr 11, 2023·4 cites·20 claims
- 0396US10545283B2Redundant core in multicore optical fiber for safetyINTUITIVE SURGICAL OPERATIONS·Filed 2017·Granted Jan 28, 2020·8 cites·20 claims
- 0495US11761754B2Micro optic assemblies and optical interrogation systemsINTUITIVE SURGICAL OPERATIONS·Filed 2022·Granted Sep 19, 2023·2 cites·19 claims
- 0595US11499818B2Micro optic assemblies and optical interrogation systemsINTUITIVE SURGICAL OPERATIONS·Filed 2021·Granted Nov 15, 2022·3 cites·20 claims
- 0695US8400620B2Registration of an extended reference for parameter measurement in an optical sensing systemFROGGATT MARK E·Filed 2011·Granted Mar 19, 2013·36 cites·35 claims
- 0794US10983268B2Redundant core in multicore optical fiber for safetyINTUITIVE SURGICAL OPERATIONS·Filed 2019·Granted Apr 20, 2021·8 cites·20 claims
- 0893US11035699B2Methods and apparatus for determining shape parameter(s) using a sensing fiber having a single core with multiple light propagating modesINTUITIVE SURGICAL OPERATIONS·Filed 2017·Granted Jun 15, 2021·4 cites·20 claims
- 0993US10775157B2Methods and apparatus for calibration for a fiber optic shape sensorINTUITIVE SURGICAL OPERATIONS·Filed 2017·Granted Sep 15, 2020·10 cites·20 claims
- 1093US10132614B2Dissimilar cores in multicore optical fiber for strain and temperature separationINTUITIVE SURGICAL OPERATIONS·Filed 2015·Granted Nov 20, 2018·12 cites·7 claims
- 1190US10976155B2Micro optic assemblies and optical interrogation systemsINTUITIVE SURGICAL OPERATIONS·Filed 2017·Granted Apr 13, 2021·4 cites·26 claims
- 1290US2025369745A1Redundant core in multicore optical fiber for safetyINTUITIVE SURGICAL OPERATIONS·Filed 2025·Application pending·0 cites
- 1384US2024183691A1Methods and apparatus for determining shape parameter(s) using a sensing fiber having a single core with multiple light propagating modesINTUITIVE SURGICAL OPERATIONS·Filed 2024·Application pending·0 cites
- 1482US11193751B2Method and apparatus for motion compensation in interferometric sensing systemsINTUITIVE SURGICAL OPERATIONS·Filed 2018·Granted Dec 7, 2021·2 cites·24 claims
- 1581US12235138B2Optical fiber with microgratings for increased measurable strain rangeINTUITIVE SURGICAL OPERATIONS·Filed 2023·Granted Feb 25, 2025·0 cites·20 claims
- 1680US12411278B2Redundant core in multicore optical fiber for safetyINTUITIVE SURGICAL OPERATIONS·Filed 2023·Granted Sep 9, 2025·0 cites·20 claims
- 1780US11940305B2Methods and apparatus for determining shape parameter(s) using a sensing fiber having a single core with multiple light propagating modesINTUITIVE SURGICAL OPERATIONS·Filed 2022·Granted Mar 26, 2024·0 cites·20 claims
- 1876US9841269B2Method and apparatus for compensating for a time-varying disturbance in interferometric sensing systemsINTUITIVE SURGICAL OPERATIONS·Filed 2012·Granted Dec 12, 2017·2 cites·22 claims
- 1973US10054420B2Method and apparatus for motion compensation in interferometric sensing systems using a non-linear compensating signalINTUITIVE SURGICAL OPERATIONS·Filed 2017·Granted Aug 21, 2018·1 cites·20 claims
- 2073US2025164291A1Optical fiber with microgratings for increased measurable strain rangeINTUITIVE SURGICAL OPERATIONS·Filed 2025·Application pending·0 cites
- 2172US11473941B2Methods and apparatus for determining shape parameter(s) using a sensing fiber having a single core with multiple light propagating modesINTUITIVE SURGICAL OPERATIONS·Filed 2021·Granted Oct 18, 2022·0 cites·21 claims
- 2269US10245115B2Fiber optic sensing of tool strain or tool angleINTUITIVE SURGICAL OPERATIONS·Filed 2017·Granted Apr 2, 2019·1 cites·20 claims
- 2366US11761797B2Optical fiber with microgratings for increased measurable strain rangeINTUITIVE SURGICAL OPERATIONS·Filed 2018·Granted Sep 19, 2023·0 cites·19 claims
- 2461US9797795B2Distributed pressure measurement by embedded fiber optic strain sensorINTUITIVE SURGICAL OPERATIONS·Filed 2014·Granted Oct 24, 2017·3 cites·18 claims
Join the waitlist — get patent alerts
Get an alert when Alexander K. Sang files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →