Inventor · disambiguated record
Ramkrishnan Narayanan
Also filed as: NARAYANAN RAMKRISHNAN
11 granted patents·11 pending applications·49 citations·filing 2007–2024
88Inventor score
Top patents by PatentIndex Score
22 records- 0187US10736552B2Systems and methods for biological metrics measurementSPRY HEALTH INC·Filed 2017·Granted Aug 11, 2020·11 cites·25 claims
- 0285US9706964B2Systems and methods for non-invasive blood pressure measurementECHO LABS INC·Filed 2016·Granted Jul 18, 2017·13 cites·22 claims
- 0384US10638982B2Systems and methods for non-invasive blood pressure measurementSPRY HEALTH INC·Filed 2017·Granted May 5, 2020·6 cites·20 claims
- 0482US11259753B2Systems and methods for detecting photoplethysmographic device usageSPRY HEALTH INC·Filed 2016·Granted Mar 1, 2022·4 cites·9 claims
- 0582US2024350093A1Systems and methods for detecting photoplethysmographic device usageITAMAR MEDICAL SPRY 2021 LP·Filed 2024·Application pending·0 cites
- 0682US2024307000A1Systems and methods for non-invasive blood pressure measurementITAMAR MEDICAL SPRY 2021 LP·Filed 2024·Application pending·0 cites
- 0780US9943267B2Systems and methods for non-invasive respiratory rate measurementSPRY HEALTH INC·Filed 2016·Granted Apr 17, 2018·3 cites·19 claims
- 0878US11963799B2Systems and methods for non-invasive blood pressure measurementITAMAR MEDICAL SPRY 2021 LP·Filed 2023·Granted Apr 23, 2024·0 cites·38 claims
- 0974US12004879B2Systems and methods for detecting photoplethysmographic device usageITAMAR MEDICAL SPRY 2021 LP·Filed 2022·Granted Jun 11, 2024·0 cites·17 claims
- 1072US12121371B2Systems and methods for non-invasive blood pressure measurementITAMAR MEDICAL SPRY 2021 LP·Filed 2022·Granted Oct 22, 2024·0 cites·27 claims
- 1172US9131922B2Calibration for 3D reconstruction of medical images from a sequence of 2D imagesEIGEN INC·Filed 2013·Granted Sep 15, 2015·6 cites·23 claims
- 1268US2020315545A1Systems and methods for non-invasive blood pressure measurementSPRY HEALTH INC·Filed 2020·Application pending·0 cites
- 1367US12318198B2Systems and methods for biological metrics measurementITAMAR MEDICAL SPRY 2021 LP·Filed 2023·Granted Jun 3, 2025·0 cites·21 claims
- 1467US8425418B2Method of ultrasonic imaging and biopsy of the prostateSURI JASJIT S·Filed 2007·Granted Apr 23, 2013·6 cites·14 claims
- 1563US2021369211A1Systems and methods for non-invasive blood pressure measurementSPRY HEALTH INC·Filed 2020·Application pending·0 cites
- 1656US2021145334A1Systems and methods for biological metrics measurementSPRY HEALTH INC·Filed 2020·Application pending·0 cites
- 1745US2009048515A1Biopsy planning systemSURI JASJIT S·Filed 2007·Application pending·0 cites
- 1839US2009326363A1Fused image modalities guidanceEIGEN LLC·Filed 2009·Application pending·0 cites
- 1938US2010001996A1Apparatus for guiding towards targets during motion using gpu processingEIGEN LLC·Filed 2009·Application pending·0 cites
- 2037US2011178389A1Fused image moldalities guidanceEIGEN INC·Filed 2011·Application pending·0 cites
- 2134US2009324041A1Apparatus for real-time 3d biopsyEIGEN LLC·Filed 2009·Application pending·0 cites
- 2231US2017245767A1Systems and methods for modified pulse transit time measurementECHO LABS INC·Filed 2017·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →