- 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: 6952
10-year publication summary
|
315
|
413
|
491
|
606
|
570
|
611
|
498
|
721
|
872
|
343
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Bytedance Inc. | 4282 |
480 |
| Qualcomm Incorporated | 90545 |
431 |
| LG Electronics Inc. | 75112 |
390 |
| Beijing Bytedance Network Technology Co., Ltd. | 4130 |
291 |
| Tencent America LLC | 4182 |
289 |
| Samsung Electronics Co., Ltd. | 154406 |
277 |
| Huawei Technologies Co., Ltd. | 120661 |
263 |
| Sony Corporation | 30368 |
216 |
| Electronics and Telecommunications Research Institute | 9534 |
184 |
| Guangdong Oppo Mobile Telecommunications Corp., Ltd. | 22697 |
155 |
| Dolby Laboratories Licensing Corporation | 4277 |
149 |
| InterDigital CE Patent Holdings, SAS | 1717 |
123 |
| Panasonic Intellectual Property Corporation of America | 7090 |
122 |
| Beijing Dajia Internet Information Technology Co., Ltd. | 1539 |
120 |
| Nokia Technologies Oy | 20497 |
115 |
| Texas Instruments Incorporated | 19635 |
113 |
| Google LLC | 43952 |
112 |
| Douyin Vision Co., Ltd. | 1028 |
96 |
| Sun Patent Trust | 2003 |
91 |
| Sharp Corporation | 10471 |
90 |
| Other owners | 2845 |