Inventor · disambiguated record
Christo Frank Devaraj
Also filed as: DEVARAJ CHRISTO FRANK
37 granted patents·2 pending applications·736 citations·filing 2015–2025
97Inventor score
Files withAMAZON TECH INC39
Top patents by PatentIndex Score
39 records- 0198US10425780B1Outputting notifications using device groupsAMAZON TECH INC·Filed 2018·Granted Sep 24, 2019·47 cites·22 claims
- 0298US10186266B1Message playback using a shared deviceAMAZON TECH INC·Filed 2016·Granted Jan 22, 2019·245 cites·20 claims
- 0397US10616726B1Outputing notifications using device groupsAMAZON TECH INC·Filed 2018·Granted Apr 7, 2020·45 cites·20 claims
- 0497US10425781B1Outputting notifications using device groupsAMAZON TECH INC·Filed 2018·Granted Sep 24, 2019·31 cites·22 claims
- 0596US11024303B1Communicating announcementsAMAZON TECH INC·Filed 2017·Granted Jun 1, 2021·31 cites·21 claims
- 0696US10074369B2Voice-based communicationsAMAZON TECH INC·Filed 2016·Granted Sep 11, 2018·127 cites·20 claims
- 0796US9992642B1Automated messagingAMAZON TECH INC·Filed 2015·Granted Jun 5, 2018·99 cites·21 claims
- 0895US10276185B1Adjusting speed of human speech playbackAMAZON TECH INC·Filed 2017·Granted Apr 30, 2019·35 cites·20 claims
- 0994US10157614B1Message playback using a shared deviceAMAZON TECH INC·Filed 2016·Granted Dec 18, 2018·16 cites·20 claims
- 1093US10706845B1Communicating announcementsAMAZON TECH INC·Filed 2017·Granted Jul 7, 2020·12 cites·19 claims
- 1192US10186267B1Message playback using a shared deviceAMAZON TECH INC·Filed 2016·Granted Jan 22, 2019·10 cites·20 claims
- 1289US10504520B1Voice-controlled communication requests and responsesAMAZON TECH INC·Filed 2016·Granted Dec 10, 2019·7 cites·19 claims
- 1388US10916243B2Messaging from a shared deviceAMAZON TECH INC·Filed 2016·Granted Feb 9, 2021·4 cites·22 claims
- 1487US2025391409A1Voice-controlled communication requests and responsesAMAZON TECH INC·Filed 2025·Application pending·0 cites
- 1586US10319375B2Audio message extractionAMAZON TECH INC·Filed 2016·Granted Jun 11, 2019·6 cites·19 claims
- 1682US11632345B1Message management for communal accountAMAZON TECH INC·Filed 2017·Granted Apr 18, 2023·5 cites·18 claims
- 1781US2024349595A1Messaging from a shared deviceAMAZON TECH INC·Filed 2024·Application pending·0 cites
- 1880US11062711B2Voice-controlled communication requests and responsesAMAZON TECH INC·Filed 2019·Granted Jul 13, 2021·2 cites·20 claims
- 1980US10453449B2Indicator for voice-based communicationsAMAZON TECH INC·Filed 2016·Granted Oct 22, 2019·5 cites·20 claims
- 2079US11563708B1Message groupingAMAZON TECH INC·Filed 2017·Granted Jan 24, 2023·3 cites·17 claims
- 2175US11051139B2Outputting notifications using device groupsAMAZON TECH INC·Filed 2019·Granted Jun 29, 2021·1 cites·15 claims
- 2274US12424223B2Voice-controlled communication requests and responsesAMAZON TECH INC·Filed 2023·Granted Sep 23, 2025·0 cites·18 claims
- 2373US11102624B2Automated messagingAMAZON TECH INC·Filed 2018·Granted Aug 24, 2021·2 cites·20 claims
- 2472US12057115B2Messaging from a shared deviceAMAZON TECH INC·Filed 2021·Granted Aug 6, 2024·0 cites·20 claims
- 2572US11968271B2Sender and recipient disambiguationAMAZON TECH INC·Filed 2022·Granted Apr 23, 2024·0 cites·20 claims
- 2671US11812344B2Outputting notifications using device groupsAMAZON TECH INC·Filed 2021·Granted Nov 7, 2023·0 cites·23 claims
- 2770US11798559B2Voice-controlled communication requests and responsesAMAZON TECH INC·Filed 2021·Granted Oct 24, 2023·0 cites·18 claims
- 2869US12267286B1Sharing of contentAMAZON TECH INC·Filed 2020·Granted Apr 1, 2025·1 cites·20 claims
- 2968US12100396B2Indicator for voice-based communicationsAMAZON TECH INC·Filed 2022·Granted Sep 24, 2024·0 cites·18 claims
- 3068US11232808B2Adjusting speed of human speech playbackAMAZON TECH INC·Filed 2019·Granted Jan 25, 2022·1 cites·19 claims
- 3166US11657812B2Message playback using a shared deviceAMAZON TECH INC·Filed 2020·Granted May 23, 2023·0 cites·20 claims
- 3264US11546434B2Sender and recipient disambiguationAMAZON TECH INC·Filed 2020·Granted Jan 3, 2023·0 cites·20 claims
- 3363US11810554B2Audio message extractionAMAZON TECH INC·Filed 2020·Granted Nov 7, 2023·0 cites·20 claims
- 3463US10811012B2Message playback using a shared deviceAMAZON TECH INC·Filed 2019·Granted Oct 20, 2020·0 cites·20 claims
- 3563US10580404B2Indicator for voice-based communicationsAMAZON TECH INC·Filed 2016·Granted Mar 3, 2020·1 cites·20 claims
- 3662US11264030B2Indicator for voice-based communicationsAMAZON TECH INC·Filed 2020·Granted Mar 1, 2022·0 cites·18 claims
- 3759US11776541B2Communicating announcementsAMAZON TECH INC·Filed 2020·Granted Oct 3, 2023·0 cites·22 claims
- 3858US10803856B2Audio message extractionAMAZON TECH INC·Filed 2019·Granted Oct 13, 2020·0 cites·20 claims
- 3953US10848591B2Sender and recipient disambiguationAMAZON TECH INC·Filed 2017·Granted Nov 24, 2020·0 cites·20 claims
Join the waitlist — get patent alerts
Get an alert when Christo Frank Devaraj 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 →