- All sections
- H - Electricity
- H04N - Pictorial communication, e.g. television
- H04N 19/423 - Methods or arrangements for coding, decoding, compressing or decompressing digital video signals characterised by implementation details or hardware specially adapted for video compression or decompression, e.g. dedicated software implementation characterised by memory arrangements
Patent holdings for IPC class H04N 19/423
Total number of patents in this class: 1635
10-year publication summary
|
105
|
89
|
88
|
103
|
161
|
135
|
132
|
164
|
116
|
109
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| LG Electronics Inc. | 73678 |
123 |
| Qualcomm Incorporated | 87475 |
111 |
| Sony Corporation | 30805 |
103 |
| Samsung Electronics Co., Ltd. | 148924 |
62 |
| Huawei Technologies Co., Ltd. | 115556 |
48 |
| Tencent America LLC | 3971 |
47 |
| Bytedance Inc. | 4001 |
44 |
| Beijing Dajia Internet Information Technology Co., Ltd. | 1496 |
43 |
| Panasonic Corporation | 19969 |
41 |
| Texas Instruments Incorporated | 19493 |
35 |
| Dolby Video Compression, LLC | 355 |
35 |
| NTT DoCoMo, Inc. | 13636 |
31 |
| Panasonic Intellectual Property Corporation of America | 6918 |
29 |
| Sun Patent Trust | 2005 |
28 |
| Beijing Bytedance Network Technology Co., Ltd. | 4101 |
26 |
| Mediatek Inc. | 5220 |
25 |
| Google LLC | 43044 |
22 |
| Intel Corporation | 46445 |
21 |
| Ericsson | 21992 |
20 |
| Microsoft Technology Licensing, LLC | 54267 |
19 |
| Other owners | 722 |