- 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: 1372
10-year publication summary
|
86
|
101
|
97
|
166
|
127
|
124
|
96
|
86
|
80
|
25
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Intel Corporation | 45621 |
124 |
| Qualcomm Incorporated | 76576 |
81 |
| International Business Machines Corporation | 60644 |
52 |
| Sony Corporation | 32931 |
40 |
| Samsung Electronics Co., Ltd. | 131630 |
39 |
| Microsoft Technology Licensing, LLC | 51439 |
34 |
| GE Video Compression, LLC | 373 |
33 |
| Fujitsu Limited | 19265 |
31 |
| Huawei Technologies Co., Ltd. | 100781 |
27 |
| Sun Patent Trust | 1972 |
27 |
| Nippon Telegraph and Telephone Corporation | 14195 |
23 |
| Oracle International Corporation | 12313 |
21 |
| Fraunhofer-Gesellschaft zur Foerderung der angewandten Forschung e.V. | 4569 |
18 |
| Dolby International AB | 1076 |
18 |
| Google LLC | 38759 |
17 |
| Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | 6132 |
17 |
| NEC Corporation | 32703 |
16 |
| Panasonic Corporation | 20786 |
14 |
| NVIDIA Corporation | 6381 |
13 |
| Gurulogic Microsystems Oy | 94 |
12 |
| Other owners | 715 |