- All sections
- H - Electricity
- H04N - Pictorial communication, e.g. television
- H04N 19/91 - Entropy coding, e.g. variable length coding [VLC] or arithmetic coding
Patent holdings for IPC class H04N 19/91
Total number of patents in this class: 3278
10-year publication summary
|
313
|
326
|
261
|
307
|
305
|
329
|
248
|
239
|
245
|
103
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Qualcomm Incorporated | 76576 |
244 |
| Samsung Electronics Co., Ltd. | 131630 |
192 |
| Sony Corporation | 32931 |
171 |
| LG Electronics Inc. | 69257 |
160 |
| GE Video Compression, LLC | 373 |
128 |
| Electronics and Telecommunications Research Institute | 8830 |
104 |
| Google LLC | 38759 |
93 |
| Sun Patent Trust | 1972 |
92 |
| Tencent America LLC | 2959 |
79 |
| Huawei Technologies Co., Ltd. | 100781 |
73 |
| Dolby International AB | 1076 |
70 |
| M & K Holdings Inc. | 83 |
58 |
| Texas Instruments Incorporated | 19376 |
57 |
| Microsoft Technology Licensing, LLC | 51439 |
53 |
| KT Corporation | 1885 |
49 |
| NEC Corporation | 32703 |
46 |
| Intel Corporation | 45621 |
46 |
| HFI Innovation Inc. | 755 |
39 |
| Velos Media, LLC | 109 |
37 |
| Canon Kabushiki Kaisha | 6884 |
36 |
| Other owners | 1451 |