- 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: 2649
10-year publication summary
|
278
|
251
|
286
|
268
|
201
|
144
|
98
|
76
|
85
|
36
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Sony Corporation | 31148 |
301 |
| FUJIFILM Corporation | 29228 |
160 |
| Panasonic Intellectual Property Management Co., Ltd. | 30967 |
150 |
| Seiko Epson Corporation | 19269 |
117 |
| JVC Kenwood Corporation | 2988 |
65 |
| NEC Corporation | 35351 |
63 |
| Sony Group Corporation | 13501 |
61 |
| Maxell, Ltd. | 2767 |
58 |
| NEC Display Solutions, Ltd. | 798 |
46 |
| Hewlett-Packard Development Company, L.P. | 25954 |
42 |
| Ricoh Company, Ltd. | 13208 |
42 |
| ZTE Corporation | 42015 |
36 |
| Thomson Licensing | 3672 |
33 |
| Konica Minolta, Inc. | 8668 |
29 |
| Sharp Kabushiki Kaisha | 18799 |
29 |
| Nippon Seiki Co., Ltd. | 979 |
28 |
| Texas Instruments Incorporated | 19487 |
27 |
| Dai Nippon Printing Co., Ltd. | 4061 |
25 |
| Dolby Laboratories Licensing Corporation | 4093 |
25 |
| Brother Kogyo Kabushikikaisha | 1753 |
25 |
| Other owners | 1287 |