Issued Patents All Time
Showing 1–25 of 191 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12323657 | Methods and apparatus to count people in an audience | Padmanabhan Soundararajan, Alexander Topchy | 2025-06-03 |
| 12250434 | Methods and apparatus to present supplemental media on a second screen | Padmanabhan Soundararajan, Alexander Topchy | 2025-03-11 |
| 12189684 | Methods and apparatus to perform audio watermarking and watermark detection and extraction | Alexander Topchy | 2025-01-07 |
| 12190911 | Methods and apparatus to perform speed-enhanced playback of recorded media | — | 2025-01-07 |
| 12160624 | Reducing signature matching uncertainty in media monitoring systems | — | 2024-12-03 |
| 12132958 | Methods and apparatus to count people in an audience | Padmanabhan Soundararajan, Alexander Topchy | 2024-10-29 |
| 12088875 | Signature retrieval and matching for media monitoring | Daniel Nelson, Arun Ramaswamy, Raghuram Ranganathan, Kenneth William McArthur | 2024-09-10 |
| 12075117 | Methods and apparatus of media device detection for minimally invasive media meters | Alexander Topchy | 2024-08-27 |
| 12058422 | Scalable architectures for reference signature matching and updating | Raghuram Ranganathan, Anand Jain | 2024-08-06 |
| 12002478 | Methods and apparatus to perform audio watermarking and watermark detection and extraction | Alexander Topchy | 2024-06-04 |
| 11961527 | Methods and apparatus to perform audio watermarking and watermark detection and extraction | Alexander Topchy, Arun Ramaswamy | 2024-04-16 |
| 11956486 | Methods and apparatus for crediting a media presentation device | Robert Stokes, Arun Ramaswamy, Daniel Nelson | 2024-04-09 |
| 11948588 | 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 | 2024-04-02 |
| 11942099 | Audio watermarking for people monitoring | Alexander Topchy, Padmanabhan Soundararajan | 2024-03-26 |
| 11869542 | Methods and apparatus to perform speed-enhanced playback of recorded media | — | 2024-01-09 |
| 11863294 | Methods and apparatus for increasing the robustness of media signatures | Alexander Topchy | 2024-01-02 |
| 11809489 | Methods and apparatus to perform audio watermarking and watermark detection and extraction | Alexander Topchy | 2023-11-07 |
| 11778268 | Methods and apparatus to verify presentation of media content | Arun Ramaswamy | 2023-10-03 |
| 11755642 | Detecting media watermarks in magnetic field data | Alexander Topchy | 2023-09-12 |
| 11716507 | Methods and apparatus of media device detection for minimally invasive media meters | Alexander Topchy | 2023-08-01 |
| 11715171 | Detecting watermark modifications | — | 2023-08-01 |
| 11711576 | Methods and apparatus to count people in an audience | Padmanabhan Soundararajan, Alexander Topchy | 2023-07-25 |
| 11678013 | Methods and apparatus to determine a state of a media presentation device | Morris Lee, Jeremey M. Davis | 2023-06-13 |
| 11574643 | Methods and apparatus for audio signature generation and matching | Alexander Topchy, Sadhana Gupta | 2023-02-07 |
| 11570495 | Methods and apparatus for crediting a media presentation device | Robert Stokes, Arun Ramaswamy, Daniel Nelson | 2023-01-31 |