- All sections
- H - Electricity
- H03M - Coding, decoding or code conversion, in general
- H03M 13/25 - Error detection or forward error correction by signal space coding, i.e. adding redundancy in the signal constellation, e.g. Trellis Coded Modulation [TCM]
Patent holdings for IPC class H03M 13/25
Total number of patents in this class: 1216
10-year publication summary
|
155
|
101
|
106
|
217
|
133
|
111
|
81
|
54
|
39
|
7
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Samsung Electronics Co., Ltd. | 139551 |
252 |
| Electronics and Telecommunications Research Institute | 9039 |
173 |
| LG Electronics Inc. | 71185 |
75 |
| Saturn Licensing LLC | 1473 |
63 |
| Huawei Technologies Co., Ltd. | 107154 |
58 |
| Qualcomm Incorporated | 82165 |
31 |
| Panasonic Corporation | 20307 |
31 |
| Sony Corporation | 31518 |
29 |
| Constellation Designs, LLC | 45 |
19 |
| Sun Patent Trust | 2047 |
18 |
| NEC Corporation | 34540 |
15 |
| Mitsubishi Electric Corporation | 44962 |
15 |
| Marvell Asia PTE, Ltd. | 6559 |
15 |
| SK Hynix Inc. | 10844 |
14 |
| Panasonic Intellectual Property Corporation of America | 7431 |
13 |
| Panasonic Holdings Corporation | 1615 |
12 |
| Thomson Licensing | 3777 |
10 |
| Intel Corporation | 46179 |
9 |
| Micron Technology, Inc. | 25874 |
8 |
| Texas Instruments Incorporated | 19443 |
8 |
| Other owners | 348 |