- All sections
- H - Electricity
- H04H - Broadcast communication
- H04H 20/91 - Arrangements characterised by special technical features of the broadcast information, e.g. signal form or information format broadcasting computer programmes
Patent holdings for IPC class H04H 20/91
Total number of patents in this class: 82
10-year publication summary
|
9
|
9
|
7
|
5
|
3
|
9
|
5
|
4
|
3
|
1
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Rizz IP Limited | 32 |
14 |
| Saturn Licensing LLC | 1445 |
13 |
| Sony Corporation | 30327 |
10 |
| Comcast Cable Communications, LLC | 5091 |
6 |
| Maxell, Ltd. | 2962 |
6 |
| Sony Electronics Inc. | 383 |
4 |
| Maxell Holdings, Ltd. | 1272 |
4 |
| Telesat Leo ULC | 8 |
4 |
| Panasonic Corporation | 19386 |
3 |
| Sirius XM Radio LLC | 247 |
3 |
| Nippon Hoso Kyokai | 226 |
2 |
| InterDigital Madison Patent Holdings, SAS | 404 |
2 |
| NPX B.V. | 2778 |
1 |
| Arcelik A.S. | 3389 |
1 |
| Cole Haan LLC | 295 |
1 |
| Cox Communications, Inc. | 477 |
1 |
| Sony Brasil Ltda. | 1 |
1 |
| Stripe, Inc. | 229 |
1 |
| Telesat Canada | 16 |
1 |
| Telefonaktiebolaget LM Ericsson (publ) | 28674 |
1 |
| Other owners | 3 |