- All sections
- H - Electricity
- H04N - Pictorial communication, e.g. television
- H04N 1/403 - Discrimination between the two tones in the picture signal of a two-tone original
Patent holdings for IPC class H04N 1/403
Total number of patents in this class: 41
10-year publication summary
|
5
|
5
|
3
|
0
|
2
|
1
|
2
|
0
|
0
|
2
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Canon Inc. | 44222 |
7 |
| United Services Automobile Association (USAA) | 3254 |
7 |
| Hewlett-Packard Development Company, L.P. | 25148 |
3 |
| Xerox Corporation | 4382 |
2 |
| Sharp Corporation | 10860 |
2 |
| Brother Industries, Ltd. | 12831 |
2 |
| Konica Minolta Laboratory U.S.A., Inc. | 411 |
2 |
| PFU Limited | 786 |
2 |
| Ricoh Company, Ltd. | 13355 |
1 |
| Eastman Kodak Company | 2584 |
1 |
| Konica Minolta, Inc. | 9165 |
1 |
| Konica Minolta Business Technologies, Inc. | 1313 |
1 |
| Shenzhen China Star Optoelectronics Technology Co., Ltd. | 8470 |
1 |
| Kyocera Document Solutions Inc. | 6345 |
1 |
| Bank of America, N.A. | 279 |
1 |
| Canon Finetech Inc. | 53 |
1 |
| IMDS America Inc. | 5 |
1 |
| Screen Holdings Co., Ltd. | 3213 |
1 |
| United Services Automobile Associates (USAA) | 12 |
1 |
| Canon Production Printing Holding B.V. | 283 |
1 |
| Other owners | 2 |