- All sections
- H - Electricity
- H04N - Pictorial communication, e.g. television
- H04N 1/034 - Details of scanning heads for picture-information reproduction using ink, e.g. ink-jet heads
Patent holdings for IPC class H04N 1/034
Total number of patents in this class: 59
10-year publication summary
|
13
|
5
|
7
|
7
|
5
|
6
|
4
|
5
|
0
|
0
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Canon Inc. | 39713 |
13 |
| Hewlett-Packard Development Company, L.P. | 25903 |
7 |
| Ricoh Company, Ltd. | 13247 |
7 |
| FUJIFILM Corporation | 29305 |
6 |
| Seiko Epson Corporation | 19319 |
5 |
| Brother Industries, Ltd. | 12958 |
4 |
| Xerox Corporation | 7021 |
3 |
| Zebra Technologies Corporation | 2181 |
2 |
| Toshiba Corporation | 12320 |
1 |
| Toshiba TEC Corporation | 3781 |
1 |
| Casio Computer Co., Ltd. | 3423 |
1 |
| Lexmark International, Inc. | 1669 |
1 |
| President and Fellows of Harvard College | 5966 |
1 |
| Catalina Marketing Corporation | 162 |
1 |
| Eth Zurich | 1273 |
1 |
| Mutoh Industries Ltd. | 69 |
1 |
| Screen Holdings Co., Ltd. | 2798 |
1 |
| Semes Co., Ltd. | 1509 |
1 |
| Fundacion Cetena | 4 |
1 |
| Twine Solutions Ltd. | 25 |
1 |
| Other owners | 0 |