- 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: 1078
10-year publication summary
|
123
|
142
|
113
|
101
|
93
|
87
|
57
|
38
|
16
|
0
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| FUJIFILM Corporation | 27102 |
86 |
| Sony Corporation | 32931 |
83 |
| Canon Inc. | 36841 |
69 |
| Samsung Electronics Co., Ltd. | 131630 |
39 |
| Panasonic Intellectual Property Management Co., Ltd. | 27812 |
37 |
| Nikon Corporation | 7162 |
31 |
| Panasonic Corporation | 20786 |
29 |
| Olympus Corporation | 13667 |
29 |
| Apple Inc. | 50209 |
18 |
| Sony Semiconductor Solutions Corporation | 8770 |
17 |
| Qualcomm Incorporated | 76576 |
13 |
| LG Innotek Co., Ltd. | 6758 |
12 |
| Canon Kabushiki Kaisha | 6884 |
12 |
| OM Digital Solutions Corp. | 706 |
12 |
| JVC Kenwood Corporation | 2774 |
11 |
| Ricoh Company, Ltd. | 13266 |
8 |
| NEC Corporation | 32703 |
7 |
| Denso Corporation | 23338 |
7 |
| Samsung Electro-mechanics Co., Ltd. | 4798 |
7 |
| Axis AB | 880 |
7 |
| Other owners | 544 |