- All sections
- H - Electricity
- H04N - Pictorial communication, e.g. television
- H04N 3/23 - Distortion correction, e.g. for pincushion distortion correction, S-correction
Patent holdings for IPC class H04N 3/23
Total number of patents in this class: 28
10-year publication summary
|
3
|
0
|
0
|
1
|
0
|
1
|
0
|
0
|
0
|
0
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Seiko Epson Corporation | 20248 |
9 |
| Mssl Consolidated Inc. | 102 |
3 |
| Canon Inc. | 43768 |
2 |
| LG Electronics Inc. | 75654 |
1 |
| Sony Corporation | 30208 |
1 |
| Hewlett-Packard Development Company, L.P. | 25216 |
1 |
| Texas Instruments Incorporated | 19663 |
1 |
| Huawei Technologies Co., Ltd. | 123282 |
1 |
| JVC Kenwood Corporation | 3133 |
1 |
| Rockwell Collins, Inc. | 2553 |
1 |
| Microvision, Inc. | 555 |
1 |
| Tianma Micro-Electronics Co., Ltd. | 814 |
1 |
| Vecima Networks Inc. | 104 |
1 |
| Shanghai AVIC OPTO Electronics Co., Ltd. | 121 |
1 |
| Optimum Imaging Technologies LLC | 7 |
1 |
| Sharp NEC Display Solutions, Ltd. | 536 |
1 |
| Peridot Print LLC | 1322 |
1 |
| Other owners | 0 |