- 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: 354
10-year publication summary
|
40
|
52
|
46
|
37
|
26
|
20
|
22
|
13
|
12
|
8
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Canon Inc. | 39818 |
40 |
| Ricoh Company, Ltd. | 13242 |
18 |
| Xerox Corporation | 7014 |
16 |
| Kyocera Document Solutions Inc. | 5590 |
16 |
| FUJIFILM Business Innovation Corp. | 7585 |
16 |
| Sharp Corporation | 10311 |
15 |
| Brother Industries, Ltd. | 12964 |
15 |
| Hewlett-Packard Development Company, L.P. | 25881 |
10 |
| Seiko Epson Corporation | 19327 |
10 |
| Toshiba TEC Corporation | 3788 |
10 |
| Konica Minolta, Inc. | 8722 |
10 |
| Sharp Kabushiki Kaisha | 18764 |
9 |
| Samsung Electronics Co., Ltd. | 145864 |
7 |
| FUJIFILM Corporation | 29350 |
7 |
| AT&T Intellectual Property I, L.P. | 9510 |
6 |
| Mitsubishi Electric Corporation | 46037 |
6 |
| Sony Corporation | 31065 |
5 |
| Panasonic Corporation | 20124 |
5 |
| AT&T Mobility II LLC | 1856 |
4 |
| PFU Limited | 743 |
4 |
| Other owners | 125 |