- 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: 977
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 | 30653 |
81 |
| Sony Corporation | 30080 |
76 |
| Canon Inc. | 44222 |
63 |
| Samsung Electronics Co., Ltd. | 158842 |
37 |
| Panasonic Intellectual Property Management Co., Ltd. | 34403 |
35 |
| Panasonic Corporation | 18751 |
27 |
| Nikon Corporation | 7231 |
25 |
| Olympus Corporation | 12912 |
25 |
| Apple Inc. | 59177 |
17 |
| Qualcomm Incorporated | 93172 |
13 |
| LG Innotek Co., Ltd. | 8543 |
12 |
| Sony Semiconductor Solutions Corporation | 11823 |
12 |
| JVC Kenwood Corporation | 3135 |
11 |
| OM Digital Solutions Corp. | 582 |
11 |
| Canon Kabushiki Kaisha | 7373 |
10 |
| Ricoh Company, Ltd. | 13355 |
8 |
| Denso Corporation | 25717 |
7 |
| Samsung Electro-mechanics Co., Ltd. | 6151 |
7 |
| Axis AB | 1055 |
7 |
| Sony Group Corporation | 15934 |
7 |
| Other owners | 486 |