- All sections
- H - Electricity
- H04N - Pictorial communication, e.g. television
- H04N 1/028 - Details of scanning heads for picture-information pick-up
Patent holdings for IPC class H04N 1/028
Total number of patents in this class: 893
10-year publication summary
|
94
|
134
|
129
|
80
|
62
|
67
|
47
|
49
|
35
|
23
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Canon Inc. | 40656 |
98 |
| Mitsubishi Electric Corporation | 46672 |
97 |
| Ricoh Company, Ltd. | 13385 |
59 |
| FUJIFILM Business Innovation Corp. | 7734 |
45 |
| Kyocera Document Solutions Inc. | 5748 |
44 |
| Hewlett-Packard Development Company, L.P. | 25719 |
42 |
| Canon Components, Inc. | 62 |
34 |
| Sharp Corporation | 10293 |
30 |
| Konica Minolta, Inc. | 8829 |
28 |
| Seiko Epson Corporation | 19673 |
23 |
| Brother Industries, Ltd. | 12943 |
22 |
| Sharp Kabushiki Kaisha | 18679 |
20 |
| Toshiba TEC Corporation | 3827 |
17 |
| Xerox Corporation | 6979 |
15 |
| PFU Limited | 745 |
15 |
| Weihai Hualing Opto-Electronics Co., Ltd. | 70 |
13 |
| Toshiba Corporation | 12516 |
11 |
| Hamamatsu Photonics K.K. | 4461 |
11 |
| Nippon Sheet Glass Company, Limited | 986 |
11 |
| Panasonic Intellectual Property Management Co., Ltd. | 32139 |
9 |
| Other owners | 249 |