- 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: 978
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 | 30562 |
81 |
| Sony Corporation | 30128 |
76 |
| Canon Inc. | 44011 |
63 |
| Samsung Electronics Co., Ltd. | 158337 |
37 |
| Panasonic Intellectual Property Management Co., Ltd. | 34145 |
35 |
| Panasonic Corporation | 18896 |
27 |
| Nikon Corporation | 7236 |
25 |
| Olympus Corporation | 12929 |
25 |
| Apple Inc. | 58995 |
17 |
| Qualcomm Incorporated | 92725 |
13 |
| LG Innotek Co., Ltd. | 8498 |
12 |
| Sony Semiconductor Solutions Corporation | 11680 |
12 |
| JVC Kenwood Corporation | 3136 |
11 |
| OM Digital Solutions Corp. | 583 |
11 |
| Canon Kabushiki Kaisha | 7362 |
10 |
| Ricoh Company, Ltd. | 13336 |
8 |
| Denso Corporation | 25633 |
7 |
| Samsung Electro-mechanics Co., Ltd. | 6118 |
7 |
| Axis AB | 1050 |
7 |
| Sony Group Corporation | 15780 |
7 |
| Other owners | 487 |