- All sections
- H - Electricity
- H04N - Pictorial communication, e.g. television
- H04N 1/047 - Detection, control or error compensation of scanning velocity or position
Patent holdings for IPC class H04N 1/047
Total number of patents in this class: 229
10-year publication summary
|
20
|
26
|
35
|
23
|
21
|
17
|
18
|
10
|
10
|
7
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Canon Inc. | 40623 |
46 |
| Ricoh Company, Ltd. | 13391 |
19 |
| Brother Industries, Ltd. | 12949 |
16 |
| Hewlett-Packard Development Company, L.P. | 25753 |
14 |
| Seiko Epson Corporation | 19671 |
13 |
| FUJIFILM Business Innovation Corp. | 7734 |
10 |
| Kyocera Document Solutions Inc. | 5740 |
9 |
| PFU Limited | 744 |
8 |
| Eastman Kodak Company | 2833 |
7 |
| Toshiba TEC Corporation | 3823 |
7 |
| Konica Minolta, Inc. | 8818 |
6 |
| Sharp Corporation | 10285 |
5 |
| Guangdong Oppo Mobile Telecommunications Corp., Ltd. | 21347 |
4 |
| Toshiba Corporation | 12514 |
3 |
| Tesla Laboratories LLC | 18 |
3 |
| Xerox Corporation | 6982 |
2 |
| International Business Machines Corporation | 61616 |
2 |
| Casio Computer Co., Ltd. | 3452 |
2 |
| Marvell World Trade Ltd. | 938 |
2 |
| Avision Inc. | 282 |
2 |
| Other owners | 49 |