- 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: 1260
10-year publication summary
|
101
|
106
|
217
|
133
|
111
|
82
|
55
|
46
|
39
|
25
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Samsung Electronics Co., Ltd. | 158337 |
251 |
| Electronics and Telecommunications Research Institute | 9689 |
173 |
| LG Electronics Inc. | 75807 |
76 |
| Huawei Technologies Co., Ltd. | 123867 |
64 |
| Saturn Licensing LLC | 1441 |
63 |
| Qualcomm Incorporated | 92725 |
45 |
| Panasonic Corporation | 18896 |
31 |
| Sony Corporation | 30128 |
29 |
| Constellation Designs, LLC | 50 |
21 |
| Sun Patent Trust | 1999 |
19 |
| Marvell Asia PTE, Ltd. | 6308 |
16 |
| NEC Corporation | 37135 |
15 |
| Mitsubishi Electric Corporation | 48146 |
15 |
| SK Hynix Inc. | 12567 |
15 |
| Panasonic Holdings Corporation | 1776 |
12 |
| Panasonic Intellectual Property Corporation of America | 7228 |
11 |
| Avago Technologies International Sales Pte. Limited | 8545 |
11 |
| Intel Corporation | 47069 |
10 |
| Texas Instruments Incorporated | 19636 |
10 |
| Thomson Licensing | 3185 |
10 |
| Other owners | 363 |