- All sections
- H - Electricity
- H04N - Pictorial communication, e.g. television
- H04N 19/463 - Embedding additional information in the video signal during the compression process by compressing encoding parameters before transmission
Patent holdings for IPC class H04N 19/463
Total number of patents in this class: 2355
10-year publication summary
207
|
163
|
228
|
265
|
205
|
145
|
133
|
131
|
158
|
103
|
2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Qualcomm Incorporated | 85183 |
251 |
Sony Corporation | 31065 |
111 |
Huawei Technologies Co., Ltd. | 112316 |
96 |
Samsung Electronics Co., Ltd. | 145864 |
89 |
Sun Patent Trust | 1999 |
87 |
Gensquare LLC | 137 |
87 |
Dolby Video Compression, LLC | 341 |
79 |
LG Electronics Inc. | 72962 |
78 |
Texas Instruments Incorporated | 19468 |
65 |
Dolby Laboratories Licensing Corporation | 4116 |
64 |
HFI Innovation Inc. | 761 |
49 |
Canon Inc. | 39818 |
48 |
JVC Kenwood Corporation | 3008 |
44 |
Toshiba Corporation | 12334 |
42 |
SK Telecom Co., Ltd. | 1669 |
42 |
Sharp Corporation | 10311 |
40 |
Electronics and Telecommunications Research Institute | 9383 |
38 |
InterDigital Holdings, Inc. | 835 |
36 |
Microsoft Technology Licensing, LLC | 53693 |
34 |
Bytedance Inc. | 3809 |
34 |
Other owners | 941 |