- 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: 907
10-year publication summary
|
134
|
129
|
80
|
62
|
67
|
47
|
50
|
36
|
36
|
8
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Canon Inc. | 42406 |
100 |
| Mitsubishi Electric Corporation | 47655 |
98 |
| Ricoh Company, Ltd. | 13299 |
61 |
| Kyocera Document Solutions Inc. | 6095 |
45 |
| FUJIFILM Business Innovation Corp. | 7858 |
45 |
| Hewlett-Packard Development Company, L.P. | 25337 |
42 |
| Canon Components, Inc. | 60 |
33 |
| Sharp Corporation | 10471 |
30 |
| Konica Minolta, Inc. | 9040 |
28 |
| Seiko Epson Corporation | 20022 |
24 |
| Brother Industries, Ltd. | 12856 |
23 |
| Sharp Kabushiki Kaisha | 18623 |
20 |
| Toshiba TEC Corporation | 3898 |
18 |
| PFU Limited | 777 |
15 |
| Weihai Hualing Opto-Electronics Co., Ltd. | 71 |
13 |
| Toshiba Corporation | 12698 |
11 |
| Hamamatsu Photonics K.K. | 4613 |
11 |
| Avision Inc. | 281 |
10 |
| Panasonic Intellectual Property Management Co., Ltd. | 33634 |
9 |
| Nippon Sheet Glass Company, Limited | 960 |
9 |
| Other owners | 262 |