- 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: 503
10-year publication summary
|
44
|
58
|
84
|
52
|
57
|
41
|
33
|
39
|
34
|
8
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Canon Inc. | 36841 |
92 |
| Brother Industries, Ltd. | 13000 |
66 |
| Hewlett-Packard Development Company, L.P. | 28538 |
33 |
| FUJIFILM Business Innovation Corp. | 7395 |
30 |
| Ricoh Company, Ltd. | 13266 |
29 |
| Kyocera Document Solutions Inc. | 5295 |
28 |
| Toshiba TEC Corporation | 3877 |
27 |
| Toshiba Corporation | 12017 |
19 |
| Xerox Corporation | 7503 |
18 |
| Seiko Epson Corporation | 18724 |
17 |
| Konica Minolta, Inc. | 8349 |
15 |
| Sharp Corporation | 10015 |
8 |
| Quest Diagnostics Investments Incorporated | 432 |
6 |
| Canon Kabushiki Kaisha | 6884 |
6 |
| FUJIFILM Corporation | 27102 |
5 |
| Eastman Kodak Company | 3444 |
5 |
| Lexmark International, Inc. | 1793 |
5 |
| Zhuhai Pantum Electronics Co., Ltd. | 179 |
5 |
| Fuji Photo Film Co., Ltd. | 53 |
4 |
| Konica Minolta Business Technologies, Inc. | 1564 |
4 |
| Other owners | 81 |