- All sections
- H - Electricity
- H04N - Pictorial communication, e.g. television
- H04N 7/64 - Systems for detection or correction of transmission errors (coding, decoding or code conversion for error detection or error correction in general H03M 13/00)
Patent holdings for IPC class H04N 7/64
Total number of patents in this class: 81
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
|
|---|---|---|
| Canon Kabushiki Kaisha | 7063 |
10 |
| Microsoft Corporation | 10175 |
4 |
| Thomson Licensing | 3592 |
4 |
| Skype | 133 |
4 |
| Samsung Electronics Co., Ltd. | 146534 |
3 |
| Qualcomm Incorporated | 85550 |
3 |
| LG Electronics Inc. | 73210 |
3 |
| Texas Instruments Incorporated | 19448 |
3 |
| Huawei Technologies Co., Ltd. | 113006 |
3 |
| Maxell Holdings, Ltd. | 1306 |
3 |
| Maxell, Ltd. | 2799 |
3 |
| Telefonaktiebolaget LM Ericsson (publ) | 28022 |
3 |
| Cisco Technology, Inc. | 19950 |
2 |
| ZTE Corporation | 42552 |
2 |
| Deutsche Telekom AG | 1826 |
2 |
| University of Science and Technology of China | 400 |
2 |
| Thales | 1842 |
2 |
| Sony Ericsson Mobile Communications AB | 1773 |
1 |
| Google Inc. | 4232 |
1 |
| Panasonic Corporation | 20093 |
1 |
| Other owners | 22 |