- All sections
- H - Electricity
- H04N - Pictorial communication, e.g. television
- H04N 1/393 - Enlarging or reducing
Patent holdings for IPC class H04N 1/393
Total number of patents in this class: 352
10-year publication summary
|
40
|
52
|
46
|
37
|
26
|
20
|
22
|
13
|
11
|
1
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Canon Inc. | 38148 |
39 |
| Ricoh Company, Ltd. | 13216 |
18 |
| Xerox Corporation | 7076 |
16 |
| Kyocera Document Solutions Inc. | 5366 |
16 |
| Brother Industries, Ltd. | 12908 |
15 |
| FUJIFILM Business Innovation Corp. | 7426 |
15 |
| Sharp Corporation | 10191 |
14 |
| Hewlett-Packard Development Company, L.P. | 27461 |
11 |
| Konica Minolta, Inc. | 8535 |
10 |
| Sharp Kabushiki Kaisha | 18867 |
10 |
| Seiko Epson Corporation | 18989 |
9 |
| Toshiba TEC Corporation | 3692 |
9 |
| Samsung Electronics Co., Ltd. | 139001 |
8 |
| FUJIFILM Corporation | 28805 |
7 |
| Sony Corporation | 31541 |
6 |
| AT&T Intellectual Property I, L.P. | 9337 |
6 |
| Mitsubishi Electric Corporation | 44851 |
6 |
| Panasonic Corporation | 20315 |
5 |
| AT&T Mobility II LLC | 1838 |
4 |
| PFU Limited | 738 |
4 |
| Other owners | 124 |