- 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: 2605
10-year publication summary
|
247
|
277
|
265
|
198
|
141
|
96
|
77
|
88
|
74
|
25
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Sony Corporation | 30397 |
301 |
| FUJIFILM Corporation | 30244 |
162 |
| Panasonic Intellectual Property Management Co., Ltd. | 33507 |
158 |
| Seiko Epson Corporation | 20013 |
117 |
| JVC Kenwood Corporation | 3115 |
67 |
| NEC Corporation | 36616 |
63 |
| Sony Group Corporation | 15170 |
62 |
| Maxell, Ltd. | 2945 |
57 |
| NEC Display Solutions, Ltd. | 778 |
46 |
| Ricoh Company, Ltd. | 13294 |
42 |
| ZTE Corporation | 43598 |
36 |
| Konica Minolta, Inc. | 9026 |
29 |
| Nippon Seiki Co., Ltd. | 1003 |
28 |
| Hewlett-Packard Development Company, L.P. | 25339 |
27 |
| Sharp Kabushiki Kaisha | 18605 |
26 |
| Dai Nippon Printing Co., Ltd. | 4210 |
25 |
| Dolby Laboratories Licensing Corporation | 4266 |
24 |
| Mitsubishi Electric Corporation | 47602 |
23 |
| Texas Instruments Incorporated | 19631 |
22 |
| Brother Kogyo Kabushikikaisha | 1786 |
22 |
| Other owners | 1268 |