- 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: 1013
10-year publication summary
|
142
|
113
|
101
|
93
|
87
|
57
|
33
|
12
|
0
|
0
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| FUJIFILM Corporation | 29273 |
82 |
| Sony Corporation | 31124 |
79 |
| Canon Inc. | 39618 |
64 |
| Samsung Electronics Co., Ltd. | 144675 |
37 |
| Panasonic Intellectual Property Management Co., Ltd. | 31084 |
37 |
| Panasonic Corporation | 20149 |
29 |
| Olympus Corporation | 13196 |
26 |
| Nikon Corporation | 7166 |
25 |
| Apple Inc. | 54577 |
17 |
| Qualcomm Incorporated | 84760 |
13 |
| LG Innotek Co., Ltd. | 7571 |
12 |
| Sony Semiconductor Solutions Corporation | 10355 |
12 |
| JVC Kenwood Corporation | 3000 |
11 |
| OM Digital Solutions Corp. | 611 |
11 |
| Canon Kabushiki Kaisha | 7053 |
10 |
| Ricoh Company, Ltd. | 13205 |
8 |
| NEC Corporation | 35471 |
7 |
| Denso Corporation | 24190 |
7 |
| Samsung Electro-mechanics Co., Ltd. | 5560 |
7 |
| Axis AB | 983 |
7 |
| Other owners | 512 |