- All sections
- H - Electricity
- H04N - Pictorial communication, e.g. television
- H04N 5/74 - Projection arrangements for image reproduction, e.g. using eidophor
Patent holdings for IPC class H04N 5/74
Total number of patents in this class: 2643
10-year publication summary
|
267
|
247
|
277
|
265
|
198
|
141
|
96
|
76
|
85
|
53
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Sony Corporation | 31004 |
301 |
| FUJIFILM Corporation | 29458 |
161 |
| Panasonic Intellectual Property Management Co., Ltd. | 31598 |
153 |
| Seiko Epson Corporation | 19425 |
117 |
| JVC Kenwood Corporation | 3013 |
65 |
| NEC Corporation | 35793 |
63 |
| Sony Group Corporation | 13963 |
61 |
| Maxell, Ltd. | 2811 |
58 |
| NEC Display Solutions, Ltd. | 798 |
46 |
| Ricoh Company, Ltd. | 13276 |
42 |
| Hewlett-Packard Development Company, L.P. | 25850 |
39 |
| ZTE Corporation | 42606 |
36 |
| Thomson Licensing | 3570 |
30 |
| Konica Minolta, Inc. | 8763 |
29 |
| Sharp Kabushiki Kaisha | 18756 |
29 |
| Nippon Seiki Co., Ltd. | 988 |
28 |
| Texas Instruments Incorporated | 19456 |
26 |
| Dai Nippon Printing Co., Ltd. | 4098 |
25 |
| Dolby Laboratories Licensing Corporation | 4133 |
25 |
| Brother Kogyo Kabushikikaisha | 1763 |
24 |
| Other owners | 1285 |