- All sections
- H - Electricity
- H04N - Pictorial communication, e.g. television
- H04N 19/126 - Details of normalisation or weighting functions, e.g. normalisation matrices or variable uniform quantisers
Patent holdings for IPC class H04N 19/126
Total number of patents in this class: 1431
10-year publication summary
|
112
|
135
|
132
|
158
|
136
|
114
|
88
|
106
|
95
|
36
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Sony Corporation | 30128 |
78 |
| Microsoft Technology Licensing, LLC | 54489 |
68 |
| Qualcomm Incorporated | 92725 |
63 |
| Sony Group Corporation | 15780 |
51 |
| InterDigital Holdings, Inc. | 962 |
49 |
| Gensquare LLC | 140 |
45 |
| Canon Inc. | 44011 |
44 |
| Electronics and Telecommunications Research Institute | 9689 |
38 |
| Dolby Laboratories Licensing Corporation | 4341 |
38 |
| Panasonic Intellectual Property Corporation of America | 7228 |
32 |
| ARRIS Enterprises LLC | 3406 |
32 |
| Canon Kabushiki Kaisha | 7362 |
31 |
| Huawei Technologies Co., Ltd. | 123867 |
28 |
| Samsung Electronics Co., Ltd. | 158337 |
26 |
| Intel Corporation | 47069 |
26 |
| Texas Instruments Incorporated | 19636 |
26 |
| V-Nova International Ltd. | 405 |
25 |
| Tencent America LLC | 4294 |
25 |
| Apple Inc. | 58995 |
23 |
| NEC Corporation | 37135 |
21 |
| Other owners | 662 |