- All sections
- H - Electricity
- H04N - Pictorial communication, e.g. television
- H04N 5/238 - Circuitry for compensating for variation in the brightness of the object by influencing optical part of the camera
Patent holdings for IPC class H04N 5/238
Total number of patents in this class: 980
10-year publication summary
|
113
|
101
|
93
|
87
|
57
|
33
|
11
|
0
|
0
|
0
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| FUJIFILM Corporation | 30458 |
81 |
| Sony Corporation | 30244 |
76 |
| Canon Inc. | 43059 |
63 |
| Samsung Electronics Co., Ltd. | 157039 |
37 |
| Panasonic Intellectual Property Management Co., Ltd. | 33792 |
35 |
| Panasonic Corporation | 19134 |
28 |
| Nikon Corporation | 7240 |
26 |
| Olympus Corporation | 12947 |
25 |
| Apple Inc. | 58592 |
17 |
| Qualcomm Incorporated | 91706 |
13 |
| LG Innotek Co., Ltd. | 8398 |
12 |
| Sony Semiconductor Solutions Corporation | 11518 |
12 |
| JVC Kenwood Corporation | 3129 |
11 |
| OM Digital Solutions Corp. | 588 |
11 |
| Canon Kabushiki Kaisha | 7292 |
10 |
| Ricoh Company, Ltd. | 13342 |
8 |
| Denso Corporation | 25471 |
7 |
| Samsung Electro-mechanics Co., Ltd. | 6058 |
7 |
| Axis AB | 1038 |
7 |
| Sony Group Corporation | 15525 |
7 |
| Other owners | 487 |