- All sections
- H - Electricity
- H04N - Pictorial communication, e.g. television
- H04N 9/73 - Colour balance circuits, e.g. white balance circuits or colour temperature control
Patent holdings for IPC class H04N 9/73
Total number of patents in this class: 1842
10-year publication summary
|
200
|
171
|
210
|
127
|
138
|
99
|
86
|
48
|
35
|
17
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Canon Inc. | 44285 |
145 |
| Samsung Electronics Co., Ltd. | 159029 |
141 |
| Sony Corporation | 30052 |
91 |
| Guangdong Oppo Mobile Telecommunications Corp., Ltd. | 23646 |
63 |
| Apple Inc. | 59241 |
51 |
| FUJIFILM Corporation | 30689 |
50 |
| Qualcomm Incorporated | 93376 |
41 |
| Olympus Corporation | 12907 |
38 |
| Google LLC | 44796 |
34 |
| Huawei Technologies Co., Ltd. | 124837 |
31 |
| Nikon Corporation | 7233 |
24 |
| Duelight LLC | 121 |
24 |
| SZ DJI Technology Co., Ltd | 6941 |
23 |
| LG Electronics Inc. | 76087 |
22 |
| Dolby Laboratories Licensing Corporation | 4379 |
22 |
| Microsoft Technology Licensing, LLC | 54586 |
21 |
| Texas Instruments Incorporated | 19644 |
18 |
| GoPro, Inc. | 2140 |
16 |
| Malikie Innovations Limited | 6363 |
16 |
| Ricoh Company, Ltd. | 13386 |
15 |
| Other owners | 956 |