- All sections
- H - Electricity
- H04N - Pictorial communication, e.g. television
- H04N 23/51 - Housings
Patent holdings for IPC class H04N 23/51
Total number of patents in this class: 2175
10-year publication summary
|
1
|
2
|
7
|
38
|
139
|
393
|
469
|
451
|
425
|
294
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| LG Innotek Co., Ltd. | 8566 |
176 |
| Samsung Electronics Co., Ltd. | 159029 |
129 |
| Canon Inc. | 44285 |
83 |
| Samsung Electro-mechanics Co., Ltd. | 6162 |
78 |
| GoPro, Inc. | 2140 |
77 |
| Magna Electronics Inc. | 1416 |
65 |
| Actutek Corporation | 852 |
54 |
| Apple Inc. | 59241 |
50 |
| Dell Products L.P. | 17206 |
34 |
| Panasonic Automotive Systems Co., Ltd. | 2109 |
32 |
| Google LLC | 44796 |
29 |
| Vivo Mobile Communication Co., Ltd. | 13792 |
27 |
| FUJIFILM Corporation | 30689 |
23 |
| Huawei Technologies Co., Ltd. | 124837 |
20 |
| May Patents Ltd. | 171 |
18 |
| Honor Device Co., Ltd. | 6999 |
18 |
| Sony Semiconductor Solutions Corporation | 11858 |
17 |
| Robert Bosch GmbH | 44327 |
15 |
| NingBo Sunny Opotech Co.,Ltd. | 665 |
15 |
| LG Electronics Inc. | 76087 |
14 |
| Other owners | 1201 |