- All sections
- H - Electricity
- H04N - Pictorial communication, e.g. television
- H04N 7/04 - Systems for the transmission of one television signal, i.e. both picture and sound, by a single carrier
Patent holdings for IPC class H04N 7/04
Total number of patents in this class: 137
10-year publication summary
|
9
|
8
|
13
|
12
|
23
|
22
|
22
|
13
|
9
|
3
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| LG Electronics Inc. | 73210 |
7 |
| NEC Corporation | 35734 |
6 |
| Samsung Electronics Co., Ltd. | 146534 |
4 |
| Canon Inc. | 40015 |
4 |
| MIXhalo Corp. | 54 |
4 |
| Maxell, Ltd. | 2799 |
4 |
| Sony Corporation | 31028 |
3 |
| Bank of America Corporation | 7573 |
2 |
| Hewlett-Packard Development Company, L.P. | 25869 |
2 |
| Ricoh Company, Ltd. | 13279 |
2 |
| a La Carte Media Inc. | 33 |
2 |
| Grass Valley Canada | 203 |
2 |
| Lenbrook Industries Limited | 121 |
2 |
| M31 Technology Corporation | 58 |
2 |
| Mursion, Inc. | 21 |
2 |
| Roku, Inc. | 1407 |
2 |
| Sony Semiconductor Solutions Corporation | 10489 |
2 |
| SpectraRep, LLC | 7 |
2 |
| Time Warner Cable Enterprises LLC | 886 |
2 |
| Vizio Inc. | 301 |
2 |
| Other owners | 79 |