- All sections
- H - Electricity
- H04N - Pictorial communication, e.g. television
- H04N 1/23 - Reproducing arrangements
Patent holdings for IPC class H04N 1/23
Total number of patents in this class: 528
10-year publication summary
|
84
|
52
|
57
|
41
|
33
|
40
|
39
|
26
|
18
|
4
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Canon Inc. | 42342 |
102 |
| Brother Industries, Ltd. | 12865 |
66 |
| FUJIFILM Business Innovation Corp. | 7848 |
33 |
| Hewlett-Packard Development Company, L.P. | 25342 |
32 |
| Kyocera Document Solutions Inc. | 6081 |
29 |
| Toshiba TEC Corporation | 3899 |
28 |
| Ricoh Company, Ltd. | 13299 |
26 |
| Seiko Epson Corporation | 20017 |
23 |
| Toshiba Corporation | 12695 |
19 |
| Konica Minolta, Inc. | 9032 |
19 |
| Xerox Corporation | 4716 |
17 |
| Sharp Corporation | 10468 |
10 |
| Quest Diagnostics Investments Incorporated | 394 |
7 |
| Zhuhai Pantum Electronics Co., Ltd. | 253 |
7 |
| Lexmark International, Inc. | 1568 |
6 |
| Canon Kabushiki Kaisha | 7228 |
6 |
| Eastman Kodak Company | 2673 |
5 |
| FUJIFILM Corporation | 30277 |
4 |
| Konica Minolta Business Technologies, Inc. | 1351 |
4 |
| Open Text Corporation | 521 |
4 |
| Other owners | 81 |