- All sections
- H - Electricity
- H04N - Pictorial communication, e.g. television
- H04N 1/48 - Picture signal generators
Patent holdings for IPC class H04N 1/48
Total number of patents in this class: 148
10-year publication summary
|
22
|
23
|
17
|
10
|
8
|
7
|
5
|
3
|
4
|
0
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Canon Inc. | 44134 |
14 |
| Ricoh Company, Ltd. | 13334 |
14 |
| Brother Industries, Ltd. | 12836 |
10 |
| Hewlett-Packard Development Company, L.P. | 25174 |
8 |
| Seiko Epson Corporation | 20365 |
8 |
| Kyocera Document Solutions Inc. | 6323 |
6 |
| FUJIFILM Business Innovation Corp. | 7970 |
6 |
| Dmrc LLC | 492 |
6 |
| Sony Corporation | 30097 |
4 |
| Konica Minolta, Inc. | 9159 |
4 |
| Nokia Corporation | 4699 |
3 |
| Toshiba Corporation | 12625 |
3 |
| Toshiba TEC Corporation | 3909 |
3 |
| Georgetown University | 629 |
3 |
| Contex A/S | 17 |
3 |
| Samsung Electronics Co., Ltd. | 158605 |
2 |
| Xerox Corporation | 4386 |
2 |
| FUJIFILM Corporation | 30628 |
2 |
| Robert Bosch GmbH | 44252 |
2 |
| Glory Ltd. | 1275 |
2 |
| Other owners | 43 |