- 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
|
5
|
7
|
7
|
5
|
6
|
4
|
5
|
0
|
1
|
1
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Canon Inc. | 43869 |
14 |
| Ricoh Company, Ltd. | 13333 |
7 |
| Hewlett-Packard Development Company, L.P. | 25180 |
6 |
| Seiko Epson Corporation | 20259 |
6 |
| FUJIFILM Corporation | 30516 |
6 |
| Brother Industries, Ltd. | 12829 |
4 |
| Xerox Corporation | 4390 |
2 |
| Zebra Technologies Corporation | 2387 |
2 |
| Toshiba Corporation | 12569 |
1 |
| Toshiba TEC Corporation | 3908 |
1 |
| Casio Computer Co., Ltd. | 3496 |
1 |
| Lexmark International, Inc. | 1537 |
1 |
| President and Fellows of Harvard College | 6092 |
1 |
| Eth Zurich | 1323 |
1 |
| Mutoh Industries Ltd. | 71 |
1 |
| Screen Holdings Co., Ltd. | 3160 |
1 |
| Semes Co., Ltd. | 1678 |
1 |
| Fundacion Cetena | 4 |
1 |
| Twine Solutions Ltd. | 25 |
1 |
| Genesee Valley Innovations, LLC | 2185 |
1 |
| Other owners | 0 |