- 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: 2222
10-year publication summary
|
163
|
118
|
65
|
40
|
40
|
25
|
9
|
3
|
1
|
0
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Canon Inc. | 40509 |
227 |
| Samsung Electronics Co., Ltd. | 147787 |
179 |
| Sony Corporation | 30921 |
111 |
| Apple Inc. | 55491 |
75 |
| FUJIFILM Corporation | 29696 |
67 |
| Nikon Corporation | 7271 |
48 |
| Google LLC | 42628 |
45 |
| Casio Computer Co., Ltd. | 3452 |
40 |
| Panasonic Corporation | 20036 |
37 |
| Semiconductor Components Industries, L.L.C. | 5272 |
37 |
| Olympus Corporation | 13140 |
35 |
| Microsoft Technology Licensing, LLC | 53968 |
32 |
| Qualcomm Incorporated | 86648 |
31 |
| FotoNation Limited | 359 |
29 |
| OM Digital Solutions Corp. | 605 |
24 |
| Ricoh Company, Ltd. | 13386 |
23 |
| Panasonic Intellectual Property Corporation of America | 6856 |
23 |
| Panasonic Intellectual Property Management Co., Ltd. | 32052 |
22 |
| OmniVision Technologies, Inc. | 1557 |
22 |
| LG Innotek Co., Ltd. | 7823 |
19 |
| Other owners | 1096 |