- All sections
- H - Electricity
- H04N - Pictorial communication, e.g. television
- H04N 19/126 - Quantisation - 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: 1284
10-year publication summary
|
136
|
105
|
112
|
135
|
132
|
158
|
136
|
110
|
86
|
32
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Sony Corporation | 32931 |
82 |
| Microsoft Technology Licensing, LLC | 51439 |
66 |
| Qualcomm Incorporated | 76576 |
61 |
| Dolby Laboratories Licensing Corporation | 3883 |
45 |
| Gensquare LLC | 156 |
45 |
| Sony Group Corporation | 10730 |
43 |
| Electronics and Telecommunications Research Institute | 8830 |
34 |
| Canon Inc. | 36841 |
30 |
| Canon Kabushiki Kaisha | 6884 |
28 |
| Samsung Electronics Co., Ltd. | 131630 |
26 |
| InterDigital Holdings, Inc. | 520 |
25 |
| Intel Corporation | 45621 |
24 |
| Panasonic Intellectual Property Corporation of America | 7230 |
24 |
| ARRIS Enterprises LLC | 3432 |
24 |
| Huawei Technologies Co., Ltd. | 100781 |
23 |
| Texas Instruments Incorporated | 19376 |
21 |
| V-Nova International Ltd. | 288 |
20 |
| IBEX PT Holdings Co., Ltd. | 41 |
19 |
| NEC Corporation | 32703 |
18 |
| Fujitsu Limited | 19265 |
18 |
| Other owners | 608 |