- 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: 1398
10-year publication summary
|
101
|
98
|
166
|
127
|
124
|
99
|
86
|
82
|
75
|
25
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Intel Corporation | 46678 |
125 |
| Qualcomm Incorporated | 84335 |
81 |
| International Business Machines Corporation | 60907 |
48 |
| Samsung Electronics Co., Ltd. | 143812 |
43 |
| Sony Corporation | 31157 |
39 |
| Microsoft Technology Licensing, LLC | 53472 |
35 |
| Dolby Video Compression, LLC | 339 |
32 |
| Fujitsu Limited | 18355 |
29 |
| Huawei Technologies Co., Ltd. | 110803 |
28 |
| Sun Patent Trust | 1992 |
28 |
| Fraunhofer-Gesellschaft zur Foerderung der angewandten Forschung e.V. | 4885 |
24 |
| Oracle International Corporation | 12905 |
23 |
| Nippon Telegraph and Telephone Corporation | 17109 |
22 |
| Google LLC | 41766 |
17 |
| Dolby International AB | 1035 |
16 |
| Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | 6124 |
16 |
| NEC Corporation | 35291 |
15 |
| Panasonic Corporation | 20180 |
14 |
| NVIDIA Corporation | 7087 |
13 |
| Gurulogic Microsystems Oy | 97 |
12 |
| Other owners | 738 |