- 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: 2620
10-year publication summary
|
247
|
277
|
265
|
198
|
141
|
96
|
77
|
86
|
74
|
9
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Sony Corporation | 30634 |
301 |
| FUJIFILM Corporation | 30010 |
162 |
| Panasonic Intellectual Property Management Co., Ltd. | 32904 |
156 |
| Seiko Epson Corporation | 19809 |
119 |
| JVC Kenwood Corporation | 3075 |
66 |
| NEC Corporation | 36438 |
63 |
| Sony Group Corporation | 14843 |
62 |
| Maxell, Ltd. | 2907 |
57 |
| NEC Display Solutions, Ltd. | 790 |
46 |
| Ricoh Company, Ltd. | 13348 |
42 |
| ZTE Corporation | 43337 |
36 |
| Konica Minolta, Inc. | 8960 |
29 |
| Sharp Kabushiki Kaisha | 18616 |
29 |
| Hewlett-Packard Development Company, L.P. | 25471 |
28 |
| Nippon Seiki Co., Ltd. | 1000 |
28 |
| Dai Nippon Printing Co., Ltd. | 4169 |
25 |
| Dolby Laboratories Licensing Corporation | 4231 |
25 |
| Thomson Licensing | 3363 |
24 |
| Brother Kogyo Kabushikikaisha | 1793 |
24 |
| Texas Instruments Incorporated | 19555 |
23 |
| Other owners | 1275 |