- 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: 130
10-year publication summary
|
4
|
9
|
8
|
13
|
12
|
23
|
22
|
22
|
12
|
2
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| LG Electronics Inc. | 69257 |
7 |
| NEC Corporation | 32703 |
5 |
| Samsung Electronics Co., Ltd. | 131630 |
4 |
| Sony Corporation | 32931 |
3 |
| Canon Inc. | 36841 |
3 |
| MIXhalo Corp. | 31 |
3 |
| Maxell, Ltd. | 2533 |
3 |
| Bank of America Corporation | 6495 |
2 |
| Hewlett-Packard Development Company, L.P. | 28538 |
2 |
| Ricoh Company, Ltd. | 13266 |
2 |
| a La Carte Media Inc. | 30 |
2 |
| General Instrument Corporation | 394 |
2 |
| Grass Valley Canada | 242 |
2 |
| M31 Technology Corporation | 47 |
2 |
| Roku, Inc. | 1151 |
2 |
| SpectraRep, LLC | 7 |
2 |
| Time Warner Cable Enterprises LLC | 945 |
2 |
| Maxell Holdings, Ltd. | 1422 |
2 |
| Nanjing Silergy Semiconductor (Hong Kong) Technology Ltd. | 78 |
2 |
| Ubicquia IQ LLC | 50 |
2 |
| Other owners | 76 |