- 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: 6710
10-year publication summary
|
303
|
404
|
471
|
583
|
548
|
609
|
494
|
714
|
849
|
127
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Bytedance Inc. | 4146 |
453 |
| Qualcomm Incorporated | 88742 |
421 |
| LG Electronics Inc. | 74373 |
371 |
| Beijing Bytedance Network Technology Co., Ltd. | 4120 |
289 |
| Tencent America LLC | 4098 |
282 |
| Samsung Electronics Co., Ltd. | 151303 |
272 |
| Huawei Technologies Co., Ltd. | 117973 |
257 |
| Sony Corporation | 30608 |
216 |
| Electronics and Telecommunications Research Institute | 9429 |
178 |
| Dolby Laboratories Licensing Corporation | 4238 |
149 |
| Guangdong Oppo Mobile Telecommunications Corp., Ltd. | 22083 |
133 |
| Panasonic Intellectual Property Corporation of America | 7022 |
121 |
| Beijing Dajia Internet Information Technology Co., Ltd. | 1522 |
116 |
| Texas Instruments Incorporated | 19553 |
113 |
| Google LLC | 43412 |
107 |
| InterDigital CE Patent Holdings, SAS | 1591 |
105 |
| Nokia Technologies Oy | 19769 |
100 |
| Sun Patent Trust | 2005 |
91 |
| Sharp Corporation | 10369 |
88 |
| Canon Inc. | 41645 |
87 |
| Other owners | 2761 |