Issued Patents All Time
Showing 26–50 of 191 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11562752 | Methods and apparatus to perform audio watermarking and watermark detection and extraction | Alexander Topchy, Arun Ramaswamy | 2023-01-24 |
| 11557304 | Methods and apparatus for performing variable block length watermarking of media | Alexander Topchy | 2023-01-17 |
| 11558665 | Methods and apparatus to count people | Padmanabhan Soundararajan, Marko Usaj | 2023-01-17 |
| 11544321 | Scalable architectures for reference signature matching and updating | Raghuram Ranganathan, Anand Jain | 2023-01-03 |
| 11533535 | Signature retrieval and matching for media monitoring | Daniel Nelson, Arun Ramaswamy, Raghuram Ranganathan, Kenneth William McArthur | 2022-12-20 |
| 11527070 | Methods and apparatus to count people in images | Padmanabhan Soundararajan | 2022-12-13 |
| 11516609 | Methods and apparatus for analyzing microphone placement for watermark and signature recovery | Marc Messier, James Joseph Vitt, Alexander Topchy | 2022-11-29 |
| 11477501 | Reducing signature matching uncertainty in media monitoring systems | — | 2022-10-18 |
| 11423079 | Detecting media watermarks in magnetic field data | Alexander Topchy | 2022-08-23 |
| 11386908 | Methods and apparatus to perform audio watermarking and watermark detection and extraction | Alexander Topchy | 2022-07-12 |
| 11363335 | Methods and apparatus to determine a state of a media presentation device | Morris Lee, Jeremey M. Davis | 2022-06-14 |
| 11316603 | Methods and apparatus for increasing the robustness of media signatures | Alexander Topchy | 2022-04-26 |
| 11303960 | Methods and apparatus to count people | Padmanabhan Soundararajan, Marko Usaj | 2022-04-12 |
| 11270735 | Methods and apparatus to perform speed-enhanced playback of recorded media | — | 2022-03-08 |
| 11256740 | Methods and apparatus to perform audio watermarking and watermark detection and extraction | Alexander Topchy | 2022-02-22 |
| 11250865 | Audio watermarking for people monitoring | Alexander Topchy, Padmanabhan Soundararajan | 2022-02-15 |
| 11245960 | Methods and apparatus of media device detection for minimally invasive media meters | Alexander Topchy | 2022-02-08 |
| 11223861 | Methods and apparatus for crediting a media presentation device | Robert Stokes, Arun Ramaswamy, Daniel Nelson | 2022-01-11 |
| 11223858 | Digital data insertion apparatus and methods for use with compressed audio/video data | Arun Ramaswamy | 2022-01-11 |
| 11197060 | Methods and apparatus to count people in an audience | Padmanabhan Soundararajan, Alexander Topchy | 2021-12-07 |
| 11070874 | Methods and apparatus to verify presentation of media content | Arun Ramaswamy | 2021-07-20 |
| 11070892 | Methods and apparatus to present supplemental media on a second screen | Padmanabhan Soundararajan, Alexander Topchy | 2021-07-20 |
| 11004456 | Methods, apparatus and articles of manufacture to provide secondary content in association with primary broadcast media content | David H. Harkness, Arun Ramaswamy, Jerome Samson, Jan Besehanic, Alexander Topchy | 2021-05-11 |
| 10964333 | Methods and apparatus to perform audio watermarking and watermark detection and extraction | Alexander Topchy, Arun Ramaswamy | 2021-03-30 |
| 10931987 | Reducing signature matching uncertainty in media monitoring systems | — | 2021-02-23 |