- All sections
- H - Electricity
- H04N - Pictorial communication, e.g. television
- H04N 5/77 - Interface circuits between an apparatus for recording and another apparatus between a recording apparatus and a television camera
Patent holdings for IPC class H04N 5/77
Total number of patents in this class: 3151
10-year publication summary
|
345
|
498
|
503
|
456
|
353
|
283
|
276
|
251
|
254
|
63
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Canon Inc. | 36841 |
239 |
| Samsung Electronics Co., Ltd. | 131630 |
173 |
| Sony Corporation | 32931 |
146 |
| Amazon Technologies, Inc. | 24422 |
72 |
| GoPro, Inc. | 1915 |
59 |
| JVC Kenwood Corporation | 2774 |
57 |
| Nikon Corporation | 7162 |
47 |
| Walmart Apollo, LLC | 5887 |
42 |
| FUJIFILM Corporation | 27102 |
41 |
| Panasonic Intellectual Property Management Co., Ltd. | 27812 |
40 |
| Apple Inc. | 50209 |
39 |
| Axon Enterprise, Inc. | 670 |
37 |
| Olympus Corporation | 13667 |
36 |
| Google LLC | 38759 |
36 |
| Snap Inc. | 4604 |
34 |
| Digital Ally, Inc. | 91 |
33 |
| Maxell, Ltd. | 2533 |
33 |
| LG Electronics Inc. | 69257 |
30 |
| Sony Group Corporation | 10730 |
29 |
| Hanwha Vision Co., Ltd. | 568 |
29 |
| Other owners | 1899 |