- 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: 359
10-year publication summary
|
42
|
40
|
52
|
46
|
37
|
26
|
20
|
22
|
13
|
4
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Canon Inc. | 36841 |
38 |
| Kyocera Document Solutions Inc. | 5295 |
18 |
| Ricoh Company, Ltd. | 13266 |
17 |
| Xerox Corporation | 7503 |
16 |
| Brother Industries, Ltd. | 13000 |
15 |
| FUJIFILM Business Innovation Corp. | 7395 |
15 |
| Sharp Corporation | 10015 |
14 |
| Hewlett-Packard Development Company, L.P. | 28538 |
12 |
| Konica Minolta, Inc. | 8349 |
10 |
| Sharp Kabushiki Kaisha | 18957 |
10 |
| Seiko Epson Corporation | 18724 |
9 |
| Toshiba TEC Corporation | 3877 |
9 |
| Samsung Electronics Co., Ltd. | 131630 |
8 |
| FUJIFILM Corporation | 27102 |
8 |
| Sony Corporation | 32931 |
6 |
| AT&T Intellectual Property I, L.P. | 9886 |
6 |
| Mitsubishi Electric Corporation | 43934 |
6 |
| Panasonic Corporation | 20786 |
5 |
| Qualcomm Incorporated | 76576 |
4 |
| Olympus Corporation | 13667 |
4 |
| Other owners | 129 |