- All sections
- H - Electricity
- H03M - Coding, decoding or code conversion, in general
- H03M 7/42 - Conversion to or from variable length codes, e.g. Shannon-Fano code, Huffman code, Morse code using table look-up for the coding or decoding process, e.g. using read-only memory
Patent holdings for IPC class H03M 7/42
Total number of patents in this class: 292
10-year publication summary
|
14
|
35
|
27
|
48
|
37
|
31
|
29
|
20
|
18
|
4
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Intel Corporation | 45621 |
37 |
| GE Video Compression, LLC | 373 |
36 |
| Microsoft Technology Licensing, LLC | 51439 |
10 |
| Dolby International AB | 1076 |
10 |
| Qualcomm Incorporated | 76576 |
7 |
| Fujitsu Limited | 19265 |
7 |
| VIA Alliance Semiconductor Co., Ltd. | 287 |
7 |
| Sony Corporation | 32931 |
6 |
| Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | 6132 |
6 |
| TMT Advisors, LLC | 8 |
6 |
| International Business Machines Corporation | 60644 |
5 |
| Amazon Technologies, Inc. | 24422 |
5 |
| Fraunhofer-Gesellschaft zur Foerderung der angewandten Forschung e.V. | 4569 |
5 |
| Citrix Systems, Inc. | 3905 |
5 |
| University of Tsukuba | 561 |
5 |
| Oracle International Corporation | 12313 |
4 |
| Huawei Technologies Co., Ltd. | 100781 |
4 |
| Zeropoint Technologies AB | 42 |
4 |
| Marvell Asia PTE, Ltd. | 6841 |
4 |
| Lognovations Holdings, LLC | 43 |
4 |
| Other owners | 115 |