- All sections
- H - Electricity
- H04N - Pictorial communication, e.g. television
- H04N 19/117 - Filters, e.g. for pre-processing or post-processing
Patent holdings for IPC class H04N 19/117
Total number of patents in this class: 6248
10-year publication summary
|
328
|
314
|
413
|
489
|
604
|
569
|
607
|
494
|
712
|
605
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Bytedance Inc. | 3827 |
402 |
| Qualcomm Incorporated | 85550 |
401 |
| LG Electronics Inc. | 73210 |
378 |
| Beijing Bytedance Network Technology Co., Ltd. | 4084 |
283 |
| Samsung Electronics Co., Ltd. | 146534 |
263 |
| Tencent America LLC | 3828 |
246 |
| Huawei Technologies Co., Ltd. | 113006 |
242 |
| Sony Corporation | 31028 |
215 |
| Electronics and Telecommunications Research Institute | 9399 |
170 |
| Dolby Laboratories Licensing Corporation | 4126 |
144 |
| Panasonic Intellectual Property Corporation of America | 6793 |
116 |
| Beijing Dajia Internet Information Technology Co., Ltd. | 1467 |
108 |
| Texas Instruments Incorporated | 19448 |
105 |
| Google LLC | 42292 |
99 |
| Guangdong Oppo Mobile Telecommunications Corp., Ltd. | 21070 |
99 |
| Sun Patent Trust | 2000 |
90 |
| Canon Inc. | 40015 |
87 |
| InterDigital Holdings, Inc. | 837 |
82 |
| Sharp Corporation | 10255 |
81 |
| Microsoft Technology Licensing, LLC | 53739 |
79 |
| Other owners | 2558 |