Assignee
ST R&DTech LLC
US·7 granted patents·5 pending applications·1 citations·filing 2021–2025
Top patents by PatentIndex Score
12 records- 0187US12363223B2Real-time voice paging voice augmented caller ID/ring tone aliasST R&DTech LLC·Filed 2023·Granted Jul 15, 2025·0 cites·9 claims
- 0286US2026038527A1Method and device for spectral expansion for an audio signalST R&DTech LLC·Filed 2025·Application pending·0 cites
- 0386US2025337835A1Real-time voice paging voice augmented caller id/ring tone aliasST R&DTech LLC·Filed 2025·Application pending·0 cites
- 0485US12574675B2Acoustic device and methodST R&DTech LLC·Filed 2023·Granted Mar 10, 2026·0 cites·9 claims
- 0583US2025119499A1Method and apparatus for in-ear canal sound suppressionST R&DTech LLC·Filed 2024·Application pending·0 cites
- 0682US2025124942A1Method and device for spectral expansion of an audio signalST R&DTech LLC·Filed 2024·Application pending·0 cites
- 0780US12268523B2Biometric, physiological or environmental monitoring using a closed chamberST R&DTech LLC·Filed 2021·Granted Apr 8, 2025·1 cites·19 claims
- 0878US12424235B2Method and device for spectral expansion for an audio signalST R&DTech LLC·Filed 2023·Granted Sep 23, 2025·0 cites·16 claims
- 0976US12236971B2Method and device for spectral expansion of an audio signalST R&DTech LLC·Filed 2023·Granted Feb 25, 2025·0 cites·17 claims
- 1075US12591407B2Robust voice activity detector system for use with an earphoneST R&DTech LLC·Filed 2023·Granted Mar 31, 2026·0 cites·9 claims
- 1170US2025006211A1Personal audio assistant device and methodST R&DTech LLC·Filed 2024·Application pending·0 cites
- 1269US12425759B2Multi-mic earphone design and assemblyST R&DTech LLC·Filed 2022·Granted Sep 23, 2025·0 cites·8 claims
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