- 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: 7138
10-year publication summary
|
315
|
413
|
491
|
606
|
570
|
611
|
498
|
719
|
875
|
508
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Bytedance Inc. | 4380 |
495 |
| Qualcomm Incorporated | 92196 |
440 |
| LG Electronics Inc. | 75694 |
396 |
| Tencent America LLC | 4273 |
298 |
| Beijing Bytedance Network Technology Co., Ltd. | 4149 |
291 |
| Samsung Electronics Co., Ltd. | 157719 |
289 |
| Huawei Technologies Co., Ltd. | 123385 |
266 |
| Sony Corporation | 30181 |
216 |
| Electronics and Telecommunications Research Institute | 9672 |
188 |
| Guangdong Oppo Mobile Telecommunications Corp., Ltd. | 23285 |
165 |
| Dolby Laboratories Licensing Corporation | 4320 |
149 |
| InterDigital CE Patent Holdings, SAS | 1810 |
131 |
| Nokia Technologies Oy | 21106 |
128 |
| Panasonic Intellectual Property Corporation of America | 7182 |
124 |
| Beijing Dajia Internet Information Technology Co., Ltd. | 1558 |
123 |
| Google LLC | 44482 |
116 |
| Texas Instruments Incorporated | 19672 |
114 |
| Douyin Vision Co., Ltd. | 1126 |
105 |
| Sun Patent Trust | 2006 |
91 |
| Canon Inc. | 43817 |
90 |
| Other owners | 2923 |