- 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: 6497
10-year publication summary
|
324
|
303
|
404
|
471
|
583
|
548
|
608
|
491
|
712
|
810
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Bytedance Inc. | 4018 |
425 |
| Qualcomm Incorporated | 87585 |
416 |
| LG Electronics Inc. | 73772 |
362 |
| Beijing Bytedance Network Technology Co., Ltd. | 4103 |
286 |
| Samsung Electronics Co., Ltd. | 149087 |
269 |
| Tencent America LLC | 3990 |
262 |
| Huawei Technologies Co., Ltd. | 115827 |
252 |
| Sony Corporation | 30787 |
216 |
| Electronics and Telecommunications Research Institute | 9451 |
174 |
| Dolby Laboratories Licensing Corporation | 4202 |
149 |
| Panasonic Intellectual Property Corporation of America | 6925 |
119 |
| Beijing Dajia Internet Information Technology Co., Ltd. | 1497 |
111 |
| Guangdong Oppo Mobile Telecommunications Corp., Ltd. | 21607 |
110 |
| Texas Instruments Incorporated | 19495 |
109 |
| Google LLC | 43094 |
104 |
| Nokia Technologies Oy | 19171 |
94 |
| InterDigital CE Patent Holdings, SAS | 1515 |
94 |
| Sun Patent Trust | 2005 |
91 |
| Canon Inc. | 41108 |
87 |
| InterDigital Holdings, Inc. | 860 |
84 |
| Other owners | 2683 |