- All sections
- H - Electricity
- H03M - Coding, decoding or code conversion, in general
- H03M 13/23 - Error detection or forward error correction by redundancy in data representation, i.e. code words containing more digits than the source words using convolutional codes, e.g. unit memory codes
Patent holdings for IPC class H03M 13/23
Total number of patents in this class: 327
10-year publication summary
|
26
|
35
|
22
|
15
|
15
|
15
|
7
|
9
|
6
|
7
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Panasonic Corporation | 19577 |
25 |
| LG Electronics Inc. | 75045 |
24 |
| Samsung Electronics Co., Ltd. | 154120 |
22 |
| Pure Storage, Inc. | 2868 |
21 |
| Huawei Technologies Co., Ltd. | 120453 |
17 |
| Qualcomm Incorporated | 90374 |
16 |
| Electronics and Telecommunications Research Institute | 9520 |
9 |
| The Regents of the University of California | 20556 |
7 |
| Mitsubishi Electric Corporation | 47625 |
7 |
| SK Hynix Inc. | 12171 |
7 |
| Panasonic Intellectual Property Corporation of America | 7082 |
7 |
| Sun Patent Trust | 2003 |
7 |
| Marvell Asia PTE, Ltd. | 6342 |
6 |
| Ericsson | 22306 |
5 |
| ZTE Corporation | 43624 |
5 |
| Cavium International | 4757 |
5 |
| Sony Corporation | 30388 |
4 |
| Micron Technology, Inc. | 27310 |
4 |
| Invt SPE LLC | 47 |
4 |
| Apple Inc. | 58122 |
3 |
| Other owners | 122 |