- All sections
- H - Electricity
- H04N - Pictorial communication, e.g. television
- H04N 5/228 - Circuit details for pick-up tubes
Patent holdings for IPC class H04N 5/228
Total number of patents in this class: 2154
10-year publication summary
|
118
|
65
|
40
|
40
|
25
|
9
|
3
|
1
|
0
|
0
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Canon Inc. | 43059 |
226 |
| Samsung Electronics Co., Ltd. | 157039 |
177 |
| Sony Corporation | 30244 |
110 |
| Apple Inc. | 58592 |
75 |
| FUJIFILM Corporation | 30458 |
62 |
| Nikon Corporation | 7240 |
55 |
| Google LLC | 44407 |
45 |
| Casio Computer Co., Ltd. | 3502 |
39 |
| Panasonic Corporation | 19134 |
37 |
| Semiconductor Components Industries, L.L.C. | 5268 |
37 |
| Olympus Corporation | 12947 |
33 |
| Microsoft Technology Licensing, LLC | 54410 |
31 |
| Qualcomm Incorporated | 91706 |
28 |
| OM Digital Solutions Corp. | 588 |
24 |
| Ricoh Company, Ltd. | 13342 |
23 |
| OmniVision Technologies, Inc. | 1594 |
22 |
| Panasonic Intellectual Property Management Co., Ltd. | 33792 |
21 |
| Panasonic Intellectual Property Corporation of America | 7159 |
21 |
| Adeia Imaging LLC | 271 |
21 |
| LG Innotek Co., Ltd. | 8398 |
19 |
| Other owners | 1048 |