- All sections
- H - Electricity
- H04N - Pictorial communication, e.g. television
- H04N 1/034 - PICTORIAL COMMUNICATION, e.g. TELEVISION - Details thereof - 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: 66
10-year publication summary
|
3
|
13
|
5
|
7
|
7
|
5
|
5
|
4
|
6
|
0
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Canon Inc. | 36841 |
14 |
| Hewlett-Packard Development Company, L.P. | 28538 |
7 |
| Ricoh Company, Ltd. | 13266 |
7 |
| Seiko Epson Corporation | 18724 |
6 |
| FUJIFILM Corporation | 27102 |
6 |
| Xerox Corporation | 7503 |
4 |
| Brother Industries, Ltd. | 13000 |
4 |
| Lexmark International, Inc. | 1793 |
2 |
| Canon Finetech Inc. | 75 |
2 |
| Zebra Technologies Corporation | 1689 |
2 |
| Toshiba Corporation | 12017 |
1 |
| Toshiba TEC Corporation | 3877 |
1 |
| Casio Computer Co., Ltd. | 3343 |
1 |
| President and Fellows of Harvard College | 5792 |
1 |
| Catalina Marketing Corporation | 167 |
1 |
| Eth Zurich | 1193 |
1 |
| Mutoh Industries Ltd. | 68 |
1 |
| Screen Holdings Co., Ltd. | 2431 |
1 |
| Semes Co., Ltd. | 1119 |
1 |
| Fundacion Cetena | 4 |
1 |
| Other owners | 2 |