- 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: 99
10-year publication summary
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2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Canon Kabushiki Kaisha | 6884 |
10 |
Thomson Licensing | 4027 |
6 |
Qualcomm Incorporated | 76576 |
5 |
LG Electronics Inc. | 69257 |
5 |
Microsoft Corporation | 10954 |
4 |
Huawei Technologies Co., Ltd. | 100781 |
4 |
Skype | 136 |
4 |
Samsung Electronics Co., Ltd. | 131630 |
3 |
Texas Instruments Incorporated | 19376 |
3 |
Koninklijke Philips Electronics N.V. | 13133 |
3 |
Maxell Holdings, Ltd. | 1422 |
3 |
Maxell, Ltd. | 2533 |
3 |
Telefonaktiebolaget LM Ericsson (publ) | 26435 |
3 |
Cisco Technology, Inc. | 18858 |
2 |
ZTE Corporation | 39218 |
2 |
Deutsche Telekom AG | 1801 |
2 |
University of Science and Technology of China | 318 |
2 |
France Telecom | 1618 |
2 |
Thales | 1854 |
2 |
Sony Ericsson Mobile Communications AB | 2014 |
1 |
Other owners | 30 |