- All sections
- H - Electricity
- H03M - Coding, decoding or code conversion, in general
- H03M 7/40 - Conversion to or from variable length codes, e.g. Shannon-Fano code, Huffman code, Morse code
Patent holdings for IPC class H03M 7/40
Total number of patents in this class: 1446
10-year publication summary
|
98
|
166
|
127
|
124
|
99
|
86
|
83
|
79
|
82
|
40
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Intel Corporation | 47178 |
122 |
| Qualcomm Incorporated | 92859 |
84 |
| International Business Machines Corporation | 62748 |
51 |
| Fraunhofer-Gesellschaft zur Foerderung der angewandten Forschung e.V. | 5269 |
46 |
| Samsung Electronics Co., Ltd. | 158442 |
43 |
| Dolby Video Compression, LLC | 394 |
37 |
| Sony Corporation | 30111 |
35 |
| Microsoft Technology Licensing, LLC | 54510 |
33 |
| Huawei Technologies Co., Ltd. | 124115 |
32 |
| Fujitsu Limited | 16854 |
29 |
| Sun Patent Trust | 2000 |
28 |
| Oracle International Corporation | 13611 |
23 |
| Nippon Telegraph and Telephone Corporation | 15939 |
22 |
| Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | 6111 |
20 |
| Google LLC | 44614 |
18 |
| Dolby International AB | 1012 |
16 |
| NEC Corporation | 37168 |
14 |
| Dolby Laboratories Licensing Corporation | 4351 |
13 |
| Panasonic Corporation | 18849 |
12 |
| Kioxia Corporation | 10856 |
12 |
| Other owners | 756 |