- All sections
- H - Electricity
- H04N - Pictorial communication, e.g. television
- H04N 1/028 - PICTORIAL COMMUNICATION, e.g. TELEVISION - Details thereof - Details of scanning heads for picture-information pick-up
Patent holdings for IPC class H04N 1/028
Total number of patents in this class: 889
10-year publication summary
|
94
|
134
|
129
|
80
|
62
|
67
|
46
|
50
|
34
|
1
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Mitsubishi Electric Corporation | 44738 |
96 |
| Canon Inc. | 38071 |
94 |
| Ricoh Company, Ltd. | 13205 |
58 |
| FUJIFILM Business Innovation Corp. | 7405 |
44 |
| Hewlett-Packard Development Company, L.P. | 27476 |
42 |
| Kyocera Document Solutions Inc. | 5346 |
39 |
| Canon Components, Inc. | 62 |
34 |
| Sharp Corporation | 10185 |
30 |
| Konica Minolta, Inc. | 8519 |
28 |
| Brother Industries, Ltd. | 12896 |
22 |
| Seiko Epson Corporation | 18975 |
21 |
| Sharp Kabushiki Kaisha | 18871 |
20 |
| Toshiba TEC Corporation | 3693 |
16 |
| Nippon Sheet Glass Company, Limited | 1000 |
16 |
| Xerox Corporation | 7076 |
15 |
| PFU Limited | 738 |
15 |
| Weihai Hualing Opto-Electronics Co., Ltd. | 62 |
13 |
| Toshiba Corporation | 12037 |
11 |
| Hamamatsu Photonics K.K. | 4305 |
11 |
| Panasonic Intellectual Property Management Co., Ltd. | 29620 |
9 |
| Other owners | 255 |