- All sections
- H - Electricity
- H04N - Pictorial communication, e.g. television
- H04N 7/66 - using redundant codes
Patent holdings for IPC class H04N 7/66
Total number of patents in this class: 38
10-year publication summary
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| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Nokia Corporation | 5657 |
4 |
| Nokia Inc. | 1511 |
3 |
| Qualcomm Incorporated | 85094 |
2 |
| LG Electronics Inc. | 72890 |
2 |
| Thomson Licensing | 3622 |
2 |
| Telefonaktiebolaget LM Ericsson (publ) | 27878 |
2 |
| Siemens AG | 24518 |
1 |
| Sony Ericsson Mobile Communications AB | 1793 |
1 |
| Google Inc. | 4241 |
1 |
| Canon Inc. | 39765 |
1 |
| Intel Corporation | 46960 |
1 |
| Koninklijke Philips Electronics N.V. | 9737 |
1 |
| Huawei Technologies Co., Ltd. | 112134 |
1 |
| ZTE Corporation | 42269 |
1 |
| Scientific-Atlanta, Inc. | 98 |
1 |
| Coherent Logix, Incorporated | 182 |
1 |
| Nortel Networks Limited | 327 |
1 |
| Politecnico di Milano | 847 |
1 |
| RAI Radiotelevisione Italiana S.p.A. | 146 |
1 |
| Sagemcom Broadband SAS | 463 |
1 |
| Other owners | 9 |